diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index dba96d44..c1ab2655 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -65,7 +65,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        SCALA_VERSION: [2.12.20, 2.13.14, 3.3.3]
+        SCALA_VERSION: [2.12.20, 2.13.15, 3.3.4]
         JAVA_VERSION: [8, 11, 17, 21]
     steps:
       - name: Checkout
diff --git a/.github/workflows/publish-nightly.yml b/.github/workflows/publish-nightly.yml
index 3216ec22..bcee2c98 100644
--- a/.github/workflows/publish-nightly.yml
+++ b/.github/workflows/publish-nightly.yml
@@ -27,8 +27,8 @@ jobs:
         run: |-
           cp .jvmopts-ci .jvmopts
           sbt +publish
-          sbt ++2.13.14! codegen/publish
-          sbt ++3.3.3! codegen/publish
+          sbt ++2.13.15! codegen/publish
+          sbt ++3.3.4! codegen/publish
         env:
           NEXUS_USER: ${{ secrets.NEXUS_USER }}
           NEXUS_PW: ${{ secrets.NEXUS_PW }}
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index d8db70ac..8b8bea1a 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -17,8 +17,8 @@ object Dependencies {
   object Versions {
     // Update the .github workflows when these scala versions change
     val scala212 = "2.12.20"
-    val scala213 = "2.13.14"
-    val scala3 = "3.3.3"
+    val scala213 = "2.13.15"
+    val scala3 = "3.3.4"
 
     // the order in the list is important because the head will be considered the default.
     val CrossScalaForLib = Seq(scala212, scala213, scala3)