diff --git a/WORKSPACE b/WORKSPACE
index cff92cf48e..7aeb183359 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -60,7 +60,7 @@ maven_install(
     repositories = ["https://repo.maven.apache.org/maven2/"],
 )
 
-_gapic_generator_java_version = "2.15.0"  # {x-version-update:gapic-generator-java:current}
+_gapic_generator_java_version = "2.15.1-SNAPSHOT"  # {x-version-update:gapic-generator-java:current}
 
 maven_install(
     artifacts = [
diff --git a/api-common-java/build.gradle b/api-common-java/build.gradle
index 5718ee4953..a7d8a5729f 100644
--- a/api-common-java/build.gradle
+++ b/api-common-java/build.gradle
@@ -26,7 +26,7 @@ apply plugin: 'io.github.gradle-nexus.publish-plugin'
 group = "com.google.api"
 archivesBaseName = "api-common"
 
-project.version = "2.6.0" // {x-version-update:api-common:current}
+project.version = "2.6.1-SNAPSHOT" // {x-version-update:api-common:current}
 
 sourceCompatibility = 1.8
 targetCompatibility = 1.8
diff --git a/api-common-java/pom.xml b/api-common-java/pom.xml
index 19192da993..43710485b9 100644
--- a/api-common-java/pom.xml
+++ b/api-common-java/pom.xml
@@ -5,14 +5,14 @@
     <groupId>com.google.api</groupId>
     <artifactId>api-common</artifactId>
     <packaging>jar</packaging>
-    <version>2.6.0</version><!-- {x-version-update:api-common:current} -->
+    <version>2.6.1-SNAPSHOT</version><!-- {x-version-update:api-common:current} -->
     <name>API Common</name>
     <description>Common utilities for Google APIs in Java</description>
 
     <parent>
         <groupId>com.google.api</groupId>
         <artifactId>gapic-generator-java-pom-parent</artifactId>
-        <version>2.15.0</version><!-- {x-version-update:gapic-generator-java:current} -->
+        <version>2.15.1-SNAPSHOT</version><!-- {x-version-update:gapic-generator-java:current} -->
         <relativePath>../gapic-generator-java-pom-parent</relativePath>
     </parent>
 
diff --git a/gapic-generator-java-bom/pom.xml b/gapic-generator-java-bom/pom.xml
index 46d31a979e..4849d77f07 100644
--- a/gapic-generator-java-bom/pom.xml
+++ b/gapic-generator-java-bom/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.api</groupId>
   <artifactId>gapic-generator-java-bom</artifactId>
   <packaging>pom</packaging>
-  <version>2.15.0</version><!-- {x-version-update:gapic-generator-java:current} -->
+  <version>2.15.1-SNAPSHOT</version><!-- {x-version-update:gapic-generator-java:current} -->
   <name>GAPIC Generator Java BOM</name>
   <description>
     BOM for the libraries in gapic-generator-java repository. Users should not
@@ -15,7 +15,7 @@
   <parent>
     <groupId>com.google.api</groupId>
     <artifactId>gapic-generator-java-pom-parent</artifactId>
-    <version>2.15.0</version><!-- {x-version-update:gapic-generator-java:current} -->
+    <version>2.15.1-SNAPSHOT</version><!-- {x-version-update:gapic-generator-java:current} -->
     <relativePath>../gapic-generator-java-pom-parent</relativePath>
   </parent>
 
@@ -60,56 +60,56 @@
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>api-common</artifactId>
-        <version>2.6.0</version><!-- {x-version-update:api-common:current} -->
+        <version>2.6.1-SNAPSHOT</version><!-- {x-version-update:api-common:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax-bom</artifactId>
-        <version>2.23.0</version><!-- {x-version-update:gax:current} -->
+        <version>2.23.1-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
         <type>pom</type>
         <scope>import</scope>
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-common-protos</artifactId>
-        <version>2.14.0</version><!-- {x-version-update:proto-google-common-protos:current} -->
+        <version>2.14.1-SNAPSHOT</version><!-- {x-version-update:proto-google-common-protos:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-common-protos</artifactId>
-        <version>2.14.0</version><!-- {x-version-update:proto-google-common-protos:current} -->
+        <version>2.14.1-SNAPSHOT</version><!-- {x-version-update:proto-google-common-protos:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-iam-v1</artifactId>
-        <version>1.9.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+        <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-iam-v2</artifactId>
-        <version>1.9.0</version><!-- {x-version-update:proto-google-iam-v2:current} -->
+        <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-iam-v2beta</artifactId>
-        <version>1.9.0</version><!-- {x-version-update:proto-google-iam-v2beta:current} -->
+        <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v2beta:current} -->
       </dependency>
 
       <!-- Following test deps are kept to keep them consistent with versions above -->
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-iam-v1</artifactId>
-        <version>1.9.0</version><!-- {x-version-update:grpc-google-iam-v1:current} -->
+        <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-iam-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-iam-v2</artifactId>
-        <version>1.9.0</version><!-- {x-version-update:grpc-google-iam-v2:current} -->
+        <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-iam-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-iam-v2beta</artifactId>
-        <version>1.9.0</version><!-- {x-version-update:grpc-google-iam-v2beta:current} -->
+        <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-iam-v2beta:current} -->
       </dependency>
     </dependencies>
 
diff --git a/gapic-generator-java-pom-parent/pom.xml b/gapic-generator-java-pom-parent/pom.xml
index a7d8cec72f..be29707a94 100644
--- a/gapic-generator-java-pom-parent/pom.xml
+++ b/gapic-generator-java-pom-parent/pom.xml
@@ -5,7 +5,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api</groupId>
   <artifactId>gapic-generator-java-pom-parent</artifactId>
-  <version>2.15.0</version><!-- {x-version-update:gapic-generator-java:current} -->
+  <version>2.15.1-SNAPSHOT</version><!-- {x-version-update:gapic-generator-java:current} -->
   <packaging>pom</packaging>
   <name>GAPIC Generator Java POM Parent</name>
   <url>https://github.com/googleapis/gapic-generator-java</url>
diff --git a/gapic-generator-java/pom.xml b/gapic-generator-java/pom.xml
index fa53061c90..ea4738b2dd 100644
--- a/gapic-generator-java/pom.xml
+++ b/gapic-generator-java/pom.xml
@@ -4,7 +4,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api</groupId>
   <artifactId>gapic-generator-java</artifactId>
-  <version>2.15.0</version><!-- {x-version-update:gapic-generator-java:current} -->
+  <version>2.15.1-SNAPSHOT</version><!-- {x-version-update:gapic-generator-java:current} -->
   <name>GAPIC Generator Java</name>
   <description>GAPIC generator Java</description>
 
@@ -23,7 +23,7 @@
   <parent>
     <groupId>com.google.api</groupId>
     <artifactId>gapic-generator-java-pom-parent</artifactId>
-    <version>2.15.0</version><!-- {x-version-update:gapic-generator-java:current} -->
+    <version>2.15.1-SNAPSHOT</version><!-- {x-version-update:gapic-generator-java:current} -->
     <relativePath>../gapic-generator-java-pom-parent</relativePath>
   </parent>
 
@@ -32,7 +32,7 @@
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gapic-generator-java-bom</artifactId>
-        <version>2.15.0</version><!-- {x-version-update:gapic-generator-java:current} -->
+        <version>2.15.1-SNAPSHOT</version><!-- {x-version-update:gapic-generator-java:current} -->
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/gax-java/build.gradle b/gax-java/build.gradle
index 1e48a80ddb..558f9e1f81 100644
--- a/gax-java/build.gradle
+++ b/gax-java/build.gradle
@@ -13,7 +13,7 @@ plugins {
 }
 
 // TODO: Populate this from dependencies.properties version property (for proper Gradle-Bazel sync)
-project.version = "2.23.0" // {x-version-update:gax:current}
+project.version = "2.23.1-SNAPSHOT" // {x-version-update:gax:current}
 
 allprojects {
   group = 'com.google.api'
diff --git a/gax-java/dependencies.properties b/gax-java/dependencies.properties
index b47582acba..27a092bc1d 100644
--- a/gax-java/dependencies.properties
+++ b/gax-java/dependencies.properties
@@ -8,16 +8,16 @@
 
 # Versions of oneself
 # {x-version-update-start:gax:current}
-version.gax=2.23.0
+version.gax=2.23.1-SNAPSHOT
 # {x-version-update-end}
 # {x-version-update-start:gax:current}
-version.gax_grpc=2.23.0
+version.gax_grpc=2.23.1-SNAPSHOT
 # {x-version-update-end}
 # {x-version-update-start:gax:current}
-version.gax_bom=2.23.0
+version.gax_bom=2.23.1-SNAPSHOT
 # {x-version-update-end}
 # {x-version-update-start:gax-httpjson:current}
-version.gax_httpjson=0.108.0
+version.gax_httpjson=0.108.1-SNAPSHOT
 # {x-version-update-end}
 
 # Versions for dependencies which actual artifacts differ between Bazel and Gradle.
diff --git a/gax-java/gax-bom/build.gradle b/gax-java/gax-bom/build.gradle
index 2280b13423..59b97484e3 100644
--- a/gax-java/gax-bom/build.gradle
+++ b/gax-java/gax-bom/build.gradle
@@ -5,7 +5,7 @@ plugins {
 
 archivesBaseName = 'gax-bom'
 
-project.version = "2.23.0" // {x-version-update:gax:current}
+project.version = "2.23.1-SNAPSHOT" // {x-version-update:gax:current}
 
 def mavenJavaDir = "$buildDir/publications/mavenJava"
 def mavenJavaBomOutputFile = file(mavenJavaDir + '/pom-default.xml')
diff --git a/gax-java/gax-bom/pom.xml b/gax-java/gax-bom/pom.xml
index ef061a8d5c..9be3e41910 100644
--- a/gax-java/gax-bom/pom.xml
+++ b/gax-java/gax-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api</groupId>
   <artifactId>gax-bom</artifactId>
-  <version>2.23.0</version><!-- {x-version-update:gax:current} -->
+  <version>2.23.1-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
   <packaging>pom</packaging>
   <name>GAX (Google Api eXtensions) for Java (BOM)</name>
   <description>Google Api eXtensions for Java (BOM)</description>
@@ -42,34 +42,34 @@
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax</artifactId>
-        <version>2.23.0</version><!-- {x-version-update:gax:current} -->
+        <version>2.23.1-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax</artifactId>
-        <version>2.23.0</version><!-- {x-version-update:gax:current} -->
+        <version>2.23.1-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
         <classifier>testlib</classifier>
       </dependency>
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax-grpc</artifactId>
-        <version>2.23.0</version><!-- {x-version-update:gax-grpc:current} -->
+        <version>2.23.1-SNAPSHOT</version><!-- {x-version-update:gax-grpc:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax-grpc</artifactId>
-        <version>2.23.0</version><!-- {x-version-update:gax-grpc:current} -->
+        <version>2.23.1-SNAPSHOT</version><!-- {x-version-update:gax-grpc:current} -->
         <classifier>testlib</classifier>
       </dependency>
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax-httpjson</artifactId>
-        <version>0.108.0</version><!-- {x-version-update:gax-httpjson:current} -->
+        <version>0.108.1-SNAPSHOT</version><!-- {x-version-update:gax-httpjson:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax-httpjson</artifactId>
-        <version>0.108.0</version><!-- {x-version-update:gax-httpjson:current} -->
+        <version>0.108.1-SNAPSHOT</version><!-- {x-version-update:gax-httpjson:current} -->
         <classifier>testlib</classifier>
       </dependency>
     </dependencies>
diff --git a/gax-java/gax-grpc/build.gradle b/gax-java/gax-grpc/build.gradle
index bf88363bc7..a08cc0343e 100644
--- a/gax-java/gax-grpc/build.gradle
+++ b/gax-java/gax-grpc/build.gradle
@@ -1,7 +1,7 @@
 archivesBaseName = 'gax-grpc'
 
 // TODO: Populate this from dependencies.properties version property (for proper Gradle-Bazel sync)
-project.version = "2.23.0" // {x-version-update:gax-grpc:current}
+project.version = "2.23.1-SNAPSHOT" // {x-version-update:gax-grpc:current}
 
 dependencies {
   api(project(':gax'),
diff --git a/gax-java/gax-grpc/pom.xml b/gax-java/gax-grpc/pom.xml
index 1e92e2b52b..ffa979dda2 100644
--- a/gax-java/gax-grpc/pom.xml
+++ b/gax-java/gax-grpc/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
 
   <artifactId>gax-grpc</artifactId>
-  <version>2.23.0</version><!-- {x-version-update:gax-grpc:current} -->
+  <version>2.23.1-SNAPSHOT</version><!-- {x-version-update:gax-grpc:current} -->
   <packaging>jar</packaging>
   <name>GAX (Google Api eXtensions) for Java (gRPC)</name>
   <description>Google Api eXtensions for Java (gRPC)</description>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.api</groupId>
     <artifactId>gax-parent</artifactId>
-    <version>2.23.0</version><!-- {x-version-update:gax:current} -->
+    <version>2.23.1-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
   </parent>
 
   <dependencies>
diff --git a/gax-java/gax-httpjson/build.gradle b/gax-java/gax-httpjson/build.gradle
index 0622101cc9..c477406929 100644
--- a/gax-java/gax-httpjson/build.gradle
+++ b/gax-java/gax-httpjson/build.gradle
@@ -1,7 +1,7 @@
 archivesBaseName = 'gax-httpjson'
 
 // TODO: Populate this from dependencies.properties version property (for proper Gradle-Bazel sync)
-project.version = "0.108.0" // {x-version-update:gax-httpjson:current}
+project.version = "0.108.1-SNAPSHOT" // {x-version-update:gax-httpjson:current}
 
 dependencies {
   api(project(':gax'),
diff --git a/gax-java/gax-httpjson/pom.xml b/gax-java/gax-httpjson/pom.xml
index 72732b0a15..7eaa8d4e11 100644
--- a/gax-java/gax-httpjson/pom.xml
+++ b/gax-java/gax-httpjson/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
 
   <artifactId>gax-httpjson</artifactId>
-  <version>0.108.0</version> <!-- {x-version-update:gax-httpjson:current} -->
+  <version>0.108.1-SNAPSHOT</version> <!-- {x-version-update:gax-httpjson:current} -->
   <packaging>jar</packaging>
   <name>GAX (Google Api eXtensions) for Java (HTTP JSON)</name>
   <description>Google Api eXtensions for Java (HTTP JSON)</description>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.api</groupId>
     <artifactId>gax-parent</artifactId>
-    <version>2.23.0</version><!-- {x-version-update:gax:current} -->
+    <version>2.23.1-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
   </parent>
 
   <properties>
diff --git a/gax-java/gax/build.gradle b/gax-java/gax/build.gradle
index fa9734ff2f..11ec880d6a 100644
--- a/gax-java/gax/build.gradle
+++ b/gax-java/gax/build.gradle
@@ -1,7 +1,7 @@
 archivesBaseName = "gax"
 
 // TODO: Populate this from dependencies.properties version property (for proper Gradle-Bazel sync)
-project.version = "2.23.0" // {x-version-update:gax:current}
+project.version = "2.23.1-SNAPSHOT" // {x-version-update:gax:current}
 
 dependencies {
   api(libraries['maven.com_google_api_api_common'],
diff --git a/gax-java/gax/pom.xml b/gax-java/gax/pom.xml
index ecfd1b215f..ee1dfa0c2c 100644
--- a/gax-java/gax/pom.xml
+++ b/gax-java/gax/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
 
   <artifactId>gax</artifactId>
-  <version>2.23.0</version><!-- {x-version-update:gax:current} -->
+  <version>2.23.1-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
   <packaging>jar</packaging>
   <name>GAX (Google Api eXtensions) for Java (Core)</name>
   <description>Google Api eXtensions for Java (Core)</description>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.api</groupId>
     <artifactId>gax-parent</artifactId>
-    <version>2.23.0</version><!-- {x-version-update:gax:current} -->
+    <version>2.23.1-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
   </parent>
 
   <dependencies>
diff --git a/gax-java/pom.xml b/gax-java/pom.xml
index 35b9c78b5e..aed1a9dacd 100644
--- a/gax-java/pom.xml
+++ b/gax-java/pom.xml
@@ -4,14 +4,14 @@
   <groupId>com.google.api</groupId>
   <artifactId>gax-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.23.0</version><!-- {x-version-update:gax:current} -->
+  <version>2.23.1-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
   <name>GAX (Google Api eXtensions) for Java (Parent)</name>
   <description>Google Api eXtensions for Java (Parent)</description>
 
   <parent>
     <groupId>com.google.api</groupId>
     <artifactId>gapic-generator-java-pom-parent</artifactId>
-    <version>2.15.0</version><!-- {x-version-update:gapic-generator-java:current} -->
+    <version>2.15.1-SNAPSHOT</version><!-- {x-version-update:gapic-generator-java:current} -->
     <relativePath>../gapic-generator-java-pom-parent</relativePath>
   </parent>
 
@@ -51,7 +51,7 @@
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>api-common</artifactId>
-        <version>2.6.0</version><!-- {x-version-update:api-common:current} -->
+        <version>2.6.1-SNAPSHOT</version><!-- {x-version-update:api-common:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.auth</groupId>
@@ -109,24 +109,24 @@
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax</artifactId>
-        <version>2.23.0</version> <!-- {x-version-update:gax:current} -->
+        <version>2.23.1-SNAPSHOT</version> <!-- {x-version-update:gax:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax</artifactId>
-        <version>2.23.0</version> <!-- {x-version-update:gax:current} -->
+        <version>2.23.1-SNAPSHOT</version> <!-- {x-version-update:gax:current} -->
         <type>test-jar</type>
         <classifier>testlib</classifier>
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-common-protos</artifactId>
-        <version>2.14.0</version><!-- {x-version-update:proto-google-common-protos:current} -->
+        <version>2.14.1-SNAPSHOT</version><!-- {x-version-update:proto-google-common-protos:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-common-protos</artifactId>
-        <version>2.14.0</version><!-- {x-version-update:grpc-google-common-protos:current} -->
+        <version>2.14.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-common-protos:current} -->
       </dependency>
       <dependency>
         <groupId>io.grpc</groupId>
diff --git a/java-common-protos/grpc-google-common-protos/pom.xml b/java-common-protos/grpc-google-common-protos/pom.xml
index ea3c7b5eb8..f68360bc7f 100644
--- a/java-common-protos/grpc-google-common-protos/pom.xml
+++ b/java-common-protos/grpc-google-common-protos/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-common-protos</artifactId>
-  <version>2.14.0</version><!-- {x-version-update:proto-google-common-protos:current} -->
+  <version>2.14.1-SNAPSHOT</version><!-- {x-version-update:proto-google-common-protos:current} -->
   <name>grpc-google-common-protos</name>
   <description>GRPC library for grpc-google-common-protos</description>
   <parent>
     <groupId>com.google.api.grpc</groupId>
     <artifactId>google-common-protos-parent</artifactId>
-    <version>2.14.0</version><!-- {x-version-update:proto-google-common-protos:current} -->
+    <version>2.14.1-SNAPSHOT</version><!-- {x-version-update:proto-google-common-protos:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-common-protos/pom.xml b/java-common-protos/pom.xml
index 8242857a5c..16c5b60a93 100644
--- a/java-common-protos/pom.xml
+++ b/java-common-protos/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.api.grpc</groupId>
   <artifactId>google-common-protos-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.14.0</version><!-- {x-version-update:proto-google-common-protos:current} -->
+  <version>2.14.1-SNAPSHOT</version><!-- {x-version-update:proto-google-common-protos:current} -->
   <name>Google Common Protos Parent</name>
   <description>
     Java idiomatic client for Google Cloud Platform services.
@@ -13,7 +13,7 @@
   <parent>
     <groupId>com.google.api</groupId>
     <artifactId>gapic-generator-java-pom-parent</artifactId>
-    <version>2.15.0</version><!-- {x-version-update:gapic-generator-java:current} -->
+    <version>2.15.1-SNAPSHOT</version><!-- {x-version-update:gapic-generator-java:current} -->
     <relativePath>../gapic-generator-java-pom-parent</relativePath>
   </parent>
 
@@ -69,7 +69,7 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-common-protos</artifactId>
-        <version>2.14.0</version><!-- {x-version-update:grpc-google-common-protos:current} -->
+        <version>2.14.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-common-protos:current} -->
       </dependency>
       <dependency>
         <groupId>io.grpc</groupId>
@@ -81,7 +81,7 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-common-protos</artifactId>
-        <version>2.14.0</version><!-- {x-version-update:proto-google-common-protos:current} -->
+        <version>2.14.1-SNAPSHOT</version><!-- {x-version-update:proto-google-common-protos:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.guava</groupId>
diff --git a/java-common-protos/proto-google-common-protos/pom.xml b/java-common-protos/proto-google-common-protos/pom.xml
index 36296a8d69..c105de9a77 100644
--- a/java-common-protos/proto-google-common-protos/pom.xml
+++ b/java-common-protos/proto-google-common-protos/pom.xml
@@ -3,13 +3,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-common-protos</artifactId>
-  <version>2.14.0</version><!-- {x-version-update:proto-google-common-protos:current} -->
+  <version>2.14.1-SNAPSHOT</version><!-- {x-version-update:proto-google-common-protos:current} -->
   <name>proto-google-common-protos</name>
   <description>PROTO library for proto-google-common-protos</description>
   <parent>
     <groupId>com.google.api.grpc</groupId>
     <artifactId>google-common-protos-parent</artifactId>
-    <version>2.14.0</version><!-- {x-version-update:proto-google-common-protos:current} -->
+    <version>2.14.1-SNAPSHOT</version><!-- {x-version-update:proto-google-common-protos:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-iam/grpc-google-iam-v1/pom.xml b/java-iam/grpc-google-iam-v1/pom.xml
index dc1e4e2ff2..e8f7887bdf 100644
--- a/java-iam/grpc-google-iam-v1/pom.xml
+++ b/java-iam/grpc-google-iam-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-iam-v1</artifactId>
-  <version>1.9.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+  <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v1:current} -->
   <name>grpc-google-iam-v1</name>
   <description>GRPC library for grpc-google-iam-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-iam-parent</artifactId>
-    <version>1.9.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+    <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v1:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-iam/grpc-google-iam-v2/pom.xml b/java-iam/grpc-google-iam-v2/pom.xml
index e338c803f1..5319f9d8eb 100644
--- a/java-iam/grpc-google-iam-v2/pom.xml
+++ b/java-iam/grpc-google-iam-v2/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-iam-v2</artifactId>
-  <version>1.9.0</version><!-- {x-version-update:grpc-google-iam-v2:current} -->
+  <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-iam-v2:current} -->
   <name>grpc-google-iam-v2</name>
   <description>GRPC library for proto-google-iam-v2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-iam-parent</artifactId>
-    <version>1.9.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+    <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v1:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-iam/grpc-google-iam-v2beta/pom.xml b/java-iam/grpc-google-iam-v2beta/pom.xml
index 4faf8d1247..82e8be4183 100644
--- a/java-iam/grpc-google-iam-v2beta/pom.xml
+++ b/java-iam/grpc-google-iam-v2beta/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-iam-v2beta</artifactId>
-  <version>1.9.0</version><!-- {x-version-update:grpc-google-iam-v2beta:current} -->
+  <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-iam-v2beta:current} -->
   <name>grpc-google-iam-v2beta</name>
   <description>GRPC library for proto-google-iam-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-iam-parent</artifactId>
-    <version>1.9.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+    <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v1:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-iam/pom.xml b/java-iam/pom.xml
index e5f9878295..f065ece2c7 100644
--- a/java-iam/pom.xml
+++ b/java-iam/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-iam-parent</artifactId>
   <packaging>pom</packaging>
-  <version>1.9.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+  <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v1:current} -->
   <name>Google IAM Parent</name>
   <description>
     Java idiomatic client for Google Cloud Platform services.
@@ -13,7 +13,7 @@
   <parent>
     <groupId>com.google.api</groupId>
     <artifactId>gapic-generator-java-pom-parent</artifactId>
-    <version>2.15.0</version><!-- {x-version-update:gapic-generator-java:current} -->
+    <version>2.15.1-SNAPSHOT</version><!-- {x-version-update:gapic-generator-java:current} -->
     <relativePath>../gapic-generator-java-pom-parent</relativePath>
   </parent>
 
@@ -81,49 +81,49 @@
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax-bom</artifactId>
-        <version>2.23.0</version><!-- {x-version-update:gax:current} -->
+        <version>2.23.1-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
         <type>pom</type>
         <scope>import</scope>
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-iam-v2</artifactId>
-        <version>1.9.0</version><!-- {x-version-update:proto-google-iam-v2:current} -->
+        <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-iam-v2</artifactId>
-        <version>1.9.0</version><!-- {x-version-update:grpc-google-iam-v2:current} -->
+        <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-iam-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-iam-policy</artifactId>
-        <version>1.9.0</version><!-- {x-version-update:google-iam-policy:current} -->
+        <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:google-iam-policy:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-common-protos</artifactId>
-        <version>2.14.0</version><!-- {x-version-update:proto-google-common-protos:current} -->
+        <version>2.14.1-SNAPSHOT</version><!-- {x-version-update:proto-google-common-protos:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-iam-v2beta</artifactId>
-        <version>1.9.0</version><!-- {x-version-update:proto-google-iam-v2beta:current} -->
+        <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v2beta:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-iam-v1</artifactId>
-        <version>1.9.0</version><!-- {x-version-update:grpc-google-iam-v1:current} -->
+        <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-iam-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-iam-v2beta</artifactId>
-        <version>1.9.0</version><!-- {x-version-update:grpc-google-iam-v2beta:current} -->
+        <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-iam-v2beta:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-iam-v1</artifactId>
-        <version>1.9.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+        <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v1:current} -->
       </dependency>
       <dependency>
         <groupId>javax.annotation</groupId>
diff --git a/java-iam/proto-google-iam-v1/pom.xml b/java-iam/proto-google-iam-v1/pom.xml
index aa11cbc342..4f068d377c 100644
--- a/java-iam/proto-google-iam-v1/pom.xml
+++ b/java-iam/proto-google-iam-v1/pom.xml
@@ -3,13 +3,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-iam-v1</artifactId>
-  <version>1.9.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+  <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v1:current} -->
   <name>proto-google-iam-v1</name>
   <description>PROTO library for proto-google-iam-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-iam-parent</artifactId>
-    <version>1.9.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+    <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v1:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-iam/proto-google-iam-v2/pom.xml b/java-iam/proto-google-iam-v2/pom.xml
index 0c3d02d814..c57cf81811 100644
--- a/java-iam/proto-google-iam-v2/pom.xml
+++ b/java-iam/proto-google-iam-v2/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-iam-v2</artifactId>
-  <version>1.9.0</version><!-- {x-version-update:proto-google-iam-v2:current} -->
+  <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v2:current} -->
   <name>proto-google-iam-v2</name>
   <description>Proto library for proto-google-iam-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-iam-parent</artifactId>
-    <version>1.9.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+    <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v1:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-iam/proto-google-iam-v2beta/pom.xml b/java-iam/proto-google-iam-v2beta/pom.xml
index 5dd5d22057..05a339dae8 100644
--- a/java-iam/proto-google-iam-v2beta/pom.xml
+++ b/java-iam/proto-google-iam-v2beta/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-iam-v2beta</artifactId>
-  <version>1.9.0</version><!-- {x-version-update:proto-google-iam-v2beta:current} -->
+  <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v2beta:current} -->
   <name>proto-google-iam-v2beta</name>
   <description>Proto library for proto-google-iam-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-iam-parent</artifactId>
-    <version>1.9.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+    <version>1.9.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v1:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/showcase/pom.xml b/showcase/pom.xml
index 5231c23bc8..70d83246d5 100644
--- a/showcase/pom.xml
+++ b/showcase/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <groupId>com.google.api</groupId>
     <artifactId>gapic-generator-java-bom</artifactId>
-    <version>2.15.0</version><!-- {x-version-update:gapic-generator-java:current} -->
+    <version>2.15.1-SNAPSHOT</version><!-- {x-version-update:gapic-generator-java:current} -->
     <relativePath>../gapic-generator-java-bom</relativePath>
   </parent>
 
diff --git a/versions.txt b/versions.txt
index c6eec81224..39dfad5335 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,17 +1,17 @@
 # Format:
 # module:released-version:current-version
 
-gapic-generator-java:2.15.0:2.15.0
-api-common:2.6.0:2.6.0
-gax:2.23.0:2.23.0
-gax-grpc:2.23.0:2.23.0
-gax-httpjson:0.108.0:0.108.0
-proto-google-common-protos:2.14.0:2.14.0
-grpc-google-common-protos:2.14.0:2.14.0
-proto-google-iam-v1:1.9.0:1.9.0
-grpc-google-iam-v1:1.9.0:1.9.0
-proto-google-iam-v2beta:1.9.0:1.9.0
-grpc-google-iam-v2beta:1.9.0:1.9.0
-google-iam-policy:1.9.0:1.9.0
-proto-google-iam-v2:1.9.0:1.9.0
-grpc-google-iam-v2:1.9.0:1.9.0
+gapic-generator-java:2.15.0:2.15.1-SNAPSHOT
+api-common:2.6.0:2.6.1-SNAPSHOT
+gax:2.23.0:2.23.1-SNAPSHOT
+gax-grpc:2.23.0:2.23.1-SNAPSHOT
+gax-httpjson:0.108.0:0.108.1-SNAPSHOT
+proto-google-common-protos:2.14.0:2.14.1-SNAPSHOT
+grpc-google-common-protos:2.14.0:2.14.1-SNAPSHOT
+proto-google-iam-v1:1.9.0:1.9.1-SNAPSHOT
+grpc-google-iam-v1:1.9.0:1.9.1-SNAPSHOT
+proto-google-iam-v2beta:1.9.0:1.9.1-SNAPSHOT
+grpc-google-iam-v2beta:1.9.0:1.9.1-SNAPSHOT
+google-iam-policy:1.9.0:1.9.1-SNAPSHOT
+proto-google-iam-v2:1.9.0:1.9.1-SNAPSHOT
+grpc-google-iam-v2:1.9.0:1.9.1-SNAPSHOT