diff --git a/playground/scala/build.sbt b/playground/scala/build.sbt
index 65d1f9d6483..f9ec89da65e 100644
--- a/playground/scala/build.sbt
+++ b/playground/scala/build.sbt
@@ -1,5 +1,5 @@
 ThisBuild / version := "0.1.0-SNAPSHOT"
-ThisBuild / scalaVersion := "3.3.3"
+ThisBuild / scalaVersion := "3.4.2"
 
 lazy val root = (project in file("."))
   .settings(
diff --git a/snippets/scala/build.sbt b/snippets/scala/build.sbt
index e40f2010512..5c53fc21705 100644
--- a/snippets/scala/build.sbt
+++ b/snippets/scala/build.sbt
@@ -1,5 +1,5 @@
 ThisBuild / version := "0.1.0-SNAPSHOT"
-ThisBuild / scalaVersion := "3.3.3"
+ThisBuild / scalaVersion := "3.4.2"
 
 lazy val root = (project in file("."))
   .settings(name := "scala-snippets")
diff --git a/tests/output/scala/build.sbt b/tests/output/scala/build.sbt
index 0b0f46f1edb..a2779fd0d34 100644
--- a/tests/output/scala/build.sbt
+++ b/tests/output/scala/build.sbt
@@ -1,5 +1,5 @@
 ThisBuild / version := "0.1.0-SNAPSHOT"
-ThisBuild / scalaVersion := "3.3.3"
+ThisBuild / scalaVersion := "3.4.2"
 
 lazy val root = (project in file("."))
   .settings(name := "scala-tests")