diff --git a/native-image-tests/grpc-scala/build.sbt b/native-image-tests/grpc-scala/build.sbt
index 4e978a808..38b7c1b6b 100644
--- a/native-image-tests/grpc-scala/build.sbt
+++ b/native-image-tests/grpc-scala/build.sbt
@@ -4,7 +4,7 @@ version := "1.0"
 
 scalaVersion := "2.13.13"
 
-lazy val akkaVersion = sys.props.getOrElse("akka.version", "2.9.2")
+lazy val akkaVersion = sys.props.getOrElse("akka.version", "2.9.3")
 lazy val akkaGrpcVersion = sys.props.getOrElse("akka.grpc.version", "2.4.0")
 
 enablePlugins(AkkaGrpcPlugin)
diff --git a/plugin-tester-java/build.gradle b/plugin-tester-java/build.gradle
index 4fd62eadd..650966366 100644
--- a/plugin-tester-java/build.gradle
+++ b/plugin-tester-java/build.gradle
@@ -37,7 +37,7 @@ repositories {
 
 def scalaVersion = org.gradle.util.VersionNumber.parse(System.getenv("TRAVIS_SCALA_VERSION") ?: "2.13")
 def scalaBinaryVersion = "${scalaVersion.major}.${scalaVersion.minor}"
-def akkaVersion = "2.9.2"
+def akkaVersion = "2.9.3"
 
 tasks.named("processResources") {
  duplicatesStrategy = DuplicatesStrategy.EXCLUDE
diff --git a/plugin-tester-java/pom.xml b/plugin-tester-java/pom.xml
index 70aeaf06a..ab5bf266c 100644
--- a/plugin-tester-java/pom.xml
+++ b/plugin-tester-java/pom.xml
@@ -15,7 +15,7 @@
     <maven-dependency-plugin.version>3.1.2</maven-dependency-plugin.version>
     <maven-exec-plugin.version>3.0.0</maven-exec-plugin.version>
     <akka.http.cors.version>1.1.0</akka.http.cors.version>
-    <akka.version>2.9.2</akka.version>
+    <akka.version>2.9.3</akka.version>
     <grpc.version>1.63.0</grpc.version> <!-- checked synced by VersionSyncCheckPlugin -->
     <project.encoding>UTF-8</project.encoding>
     <build-helper-maven-plugin>3.3.0</build-helper-maven-plugin>
diff --git a/plugin-tester-scala/build.gradle b/plugin-tester-scala/build.gradle
index 9631512fc..d103df94e 100644
--- a/plugin-tester-scala/build.gradle
+++ b/plugin-tester-scala/build.gradle
@@ -33,7 +33,7 @@ repositories {
 
 def scalaVersion = org.gradle.util.VersionNumber.parse(System.getenv("TRAVIS_SCALA_VERSION") ?: "2.13")
 def scalaBinaryVersion = "${scalaVersion.major}.${scalaVersion.minor}"
-def akkaVersion = "2.9.2"
+def akkaVersion = "2.9.3"
 def protoGoogleCommonVersion = "2.22.0"
 
 tasks.named("processResources") {
diff --git a/plugin-tester-scala/pom.xml b/plugin-tester-scala/pom.xml
index 60f2449ed..dce0e2b78 100644
--- a/plugin-tester-scala/pom.xml
+++ b/plugin-tester-scala/pom.xml
@@ -12,7 +12,7 @@
 
   <properties>
     <maven.compiler.release>11</maven.compiler.release>
-    <akka.version>2.9.2</akka.version>
+    <akka.version>2.9.3</akka.version>
     <akka.http.cors.version>0.4.2</akka.http.cors.version>
     <grpc.version>1.63.0</grpc.version> <!-- checked synced by VersionSyncCheckPlugin -->
     <project.encoding>UTF-8</project.encoding>
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 3d95f7f11..b9fa6fab4 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -17,9 +17,9 @@ object Dependencies {
     // We don't force Akka updates because downstream projects can upgrade
     // themselves. For more information see
     // https://doc.akka.io//docs/akka/current/project/downstream-upgrade-strategy.html
-    val akka = "2.9.2"
+    val akka = "2.9.3"
     val akkaBinary = "2.9"
-    val akkaHttp = "10.6.2"
+    val akkaHttp = "10.6.3"
     val akkaHttpBinary = "10.6"
 
     val grpc = "1.63.0" // checked synced by VersionSyncCheckPlugin
diff --git a/samples/akka-grpc-quickstart-java/build.gradle b/samples/akka-grpc-quickstart-java/build.gradle
index 8697e59c8..f5d8c397e 100644
--- a/samples/akka-grpc-quickstart-java/build.gradle
+++ b/samples/akka-grpc-quickstart-java/build.gradle
@@ -21,15 +21,15 @@ repositories {
 dependencies {
   implementation 'org.scala-lang:scala-library:2.13.13'
 
-  implementation 'com.typesafe.akka:akka-actor-typed_2.13:2.9.2'
-  implementation 'com.typesafe.akka:akka-discovery_2.13:2.9.2'
-  implementation 'com.typesafe.akka:akka-stream_2.13:2.9.2'
-  implementation 'com.typesafe.akka:akka-pki_2.13:2.9.2'
+  implementation 'com.typesafe.akka:akka-actor-typed_2.13:2.9.3'
+  implementation 'com.typesafe.akka:akka-discovery_2.13:2.9.3'
+  implementation 'com.typesafe.akka:akka-stream_2.13:2.9.3'
+  implementation 'com.typesafe.akka:akka-pki_2.13:2.9.3'
 
   implementation 'ch.qos.logback:logback-classic:1.2.13'
 
-  testImplementation 'com.typesafe.akka:akka-actor-testkit-typed_2.13:2.9.2'
-  testImplementation 'com.typesafe.akka:akka-stream-testkit_2.13:2.9.2'
+  testImplementation 'com.typesafe.akka:akka-actor-testkit-typed_2.13:2.9.3'
+  testImplementation 'com.typesafe.akka:akka-stream-testkit_2.13:2.9.3'
   testImplementation 'junit:junit:4.13'
 }
 
diff --git a/samples/akka-grpc-quickstart-java/build.sbt b/samples/akka-grpc-quickstart-java/build.sbt
index f70d14fdd..49d87b151 100644
--- a/samples/akka-grpc-quickstart-java/build.sbt
+++ b/samples/akka-grpc-quickstart-java/build.sbt
@@ -2,7 +2,7 @@ name := "akka-grpc-quickstart-java"
 version := "1.0"
 scalaVersion := "2.13.13"
 
-val akkaVersion = "2.9.2"
+val akkaVersion = "2.9.3"
 lazy val akkaGrpcVersion = sys.props.getOrElse("akka-grpc.version", "2.4.2")
 
 enablePlugins(AkkaGrpcPlugin)
diff --git a/samples/akka-grpc-quickstart-java/pom.xml b/samples/akka-grpc-quickstart-java/pom.xml
index 09d4f7ec2..d38ea03e1 100644
--- a/samples/akka-grpc-quickstart-java/pom.xml
+++ b/samples/akka-grpc-quickstart-java/pom.xml
@@ -11,7 +11,7 @@
   <properties>
     <maven.compiler.source>17</maven.compiler.source>
     <maven.compiler.target>17</maven.compiler.target>
-    <akka.version>2.9.2</akka.version>
+    <akka.version>2.9.3</akka.version>
     <akka-grpc.version>2.4.2</akka-grpc.version>
     <scala.binary.version>2.13</scala.binary.version>
     <project.encoding>UTF-8</project.encoding>
diff --git a/samples/akka-grpc-quickstart-scala/build.gradle b/samples/akka-grpc-quickstart-scala/build.gradle
index 33093c835..c1c345bfe 100644
--- a/samples/akka-grpc-quickstart-scala/build.gradle
+++ b/samples/akka-grpc-quickstart-scala/build.gradle
@@ -21,15 +21,15 @@ repositories {
 dependencies {
   implementation 'org.scala-lang:scala-library:2.13.13'
 
-  implementation 'com.typesafe.akka:akka-actor-typed_2.13:2.9.2'
-  implementation 'com.typesafe.akka:akka-discovery_2.13:2.9.2'
-  implementation 'com.typesafe.akka:akka-stream_2.13:2.9.2'
-  implementation 'com.typesafe.akka:akka-pki_2.13:2.9.2'
+  implementation 'com.typesafe.akka:akka-actor-typed_2.13:2.9.3'
+  implementation 'com.typesafe.akka:akka-discovery_2.13:2.9.3'
+  implementation 'com.typesafe.akka:akka-stream_2.13:2.9.3'
+  implementation 'com.typesafe.akka:akka-pki_2.13:2.9.3'
 
   implementation 'ch.qos.logback:logback-classic:1.2.13'
 
-  testImplementation 'com.typesafe.akka:akka-actor-testkit-typed_2.13:2.9.2'
-  testImplementation 'com.typesafe.akka:akka-stream-testkit_2.13:2.9.2'
+  testImplementation 'com.typesafe.akka:akka-actor-testkit-typed_2.13:2.9.3'
+  testImplementation 'com.typesafe.akka:akka-stream-testkit_2.13:2.9.3'
   testImplementation 'org.scalatest:scalatest_2.13:3.2.12'
   // optional in Scalatest
   testRuntimeOnly 'com.vladsch.flexmark:flexmark-all:0.62.2'
diff --git a/samples/akka-grpc-quickstart-scala/build.sbt b/samples/akka-grpc-quickstart-scala/build.sbt
index 44a92cb0a..ccfeba4f8 100644
--- a/samples/akka-grpc-quickstart-scala/build.sbt
+++ b/samples/akka-grpc-quickstart-scala/build.sbt
@@ -3,7 +3,7 @@ name := "akka-grpc-quickstart-scala"
 version := "1.0"
 scalaVersion := "2.13.13"
 
-val akkaVersion = "2.9.2"
+val akkaVersion = "2.9.3"
 lazy val akkaGrpcVersion = sys.props.getOrElse("akka-grpc.version", "2.4.2")
 
 enablePlugins(AkkaGrpcPlugin)
diff --git a/samples/akka-grpc-quickstart-scala/pom.xml b/samples/akka-grpc-quickstart-scala/pom.xml
index 9d05eec11..4478ac584 100644
--- a/samples/akka-grpc-quickstart-scala/pom.xml
+++ b/samples/akka-grpc-quickstart-scala/pom.xml
@@ -11,7 +11,7 @@
   <properties>
     <maven.compiler.source>17</maven.compiler.source>
     <maven.compiler.target>17</maven.compiler.target>
-    <akka.version>2.9.2</akka.version>
+    <akka.version>2.9.3</akka.version>
     <akka-grpc.version>2.4.2</akka-grpc.version>
     <scala.binary.version>2.13</scala.binary.version>
     <project.encoding>UTF-8</project.encoding>
diff --git a/sbt-plugin/src/sbt-test/gen-scala-server/07-gen-basic-server-with-akka-27/build.sbt b/sbt-plugin/src/sbt-test/gen-scala-server/07-gen-basic-server-with-akka-27/build.sbt
index ddb6e1063..6dad7a9a4 100644
--- a/sbt-plugin/src/sbt-test/gen-scala-server/07-gen-basic-server-with-akka-27/build.sbt
+++ b/sbt-plugin/src/sbt-test/gen-scala-server/07-gen-basic-server-with-akka-27/build.sbt
@@ -4,7 +4,7 @@ resolvers += "Akka library repository".at("https://repo.akka.io/maven")
 
 enablePlugins(AkkaGrpcPlugin)
 
-dependencyOverrides += "com.typesafe.akka" %% "akka-stream" % "2.9.2"
+dependencyOverrides += "com.typesafe.akka" %% "akka-stream" % "2.9.3"
 
 assembly / assemblyMergeStrategy := {
   // https://github.com/akka/akka/issues/29456
diff --git a/sbt-plugin/src/sbt-test/scala-2_13/01-basic-client-server/build.sbt b/sbt-plugin/src/sbt-test/scala-2_13/01-basic-client-server/build.sbt
index e8195204a..3a9b5a90a 100644
--- a/sbt-plugin/src/sbt-test/scala-2_13/01-basic-client-server/build.sbt
+++ b/sbt-plugin/src/sbt-test/scala-2_13/01-basic-client-server/build.sbt
@@ -8,5 +8,5 @@ enablePlugins(AkkaGrpcPlugin)
 
 libraryDependencies ++= Seq(
   // just to make sure it works with Scala 3 artifacts
-  "com.typesafe.akka" %% "akka-http" % "10.6.2",
+  "com.typesafe.akka" %% "akka-http" % "10.6.3",
   "org.scalatest" %% "scalatest" % "3.2.12" % "test")
diff --git a/sbt-plugin/src/sbt-test/scala3/01-basic-client-server/build.sbt b/sbt-plugin/src/sbt-test/scala3/01-basic-client-server/build.sbt
index 1a8e17394..5032a974e 100644
--- a/sbt-plugin/src/sbt-test/scala3/01-basic-client-server/build.sbt
+++ b/sbt-plugin/src/sbt-test/scala3/01-basic-client-server/build.sbt
@@ -8,5 +8,5 @@ enablePlugins(AkkaGrpcPlugin)
 
 libraryDependencies ++= Seq(
   // just to make sure it works with Scala 3 artifacts
-  "com.typesafe.akka" %% "akka-http" % "10.6.2",
+  "com.typesafe.akka" %% "akka-http" % "10.6.3",
   "org.scalatest" %% "scalatest" % "3.2.12" % "test")