diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b50ae04..22219a5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         java: [ '1.14', '1.17' ]
-        scala: [ '2.12.18' ]
+        scala: [ '2.12.19' ]
     steps:
     - uses: actions/checkout@v2
       with:
diff --git a/.github/workflows/tag-release.yml b/.github/workflows/tag-release.yml
index 54496fa..cb6ccbb 100644
--- a/.github/workflows/tag-release.yml
+++ b/.github/workflows/tag-release.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         java: [ '8' ]
-        scala: [ '2.12.18' ]
+        scala: [ '2.12.19' ]
     steps:
     - name: Track version from core
       id: set-version
diff --git a/build.sbt b/build.sbt
index 64368dd..1365209 100644
--- a/build.sbt
+++ b/build.sbt
@@ -22,7 +22,7 @@ ThisBuild / developers := List(
   )
 )
 
-ThisBuild / scalaVersion := "2.12.18"
+ThisBuild / scalaVersion := "2.12.19"
 ThisBuild / scalacOptions ++= List("-feature", "-Xexperimental")
 
 libraryDependencies ++= Seq(
diff --git a/src/sbt-test/sbt-guardrail/java-codegen-app/build.sbt b/src/sbt-test/sbt-guardrail/java-codegen-app/build.sbt
index db2c7a8..f58f67a 100644
--- a/src/sbt-test/sbt-guardrail/java-codegen-app/build.sbt
+++ b/src/sbt-test/sbt-guardrail/java-codegen-app/build.sbt
@@ -2,7 +2,7 @@ name := "sbt-guardrail-java-test-app"
 
 version := "1.0." + System.currentTimeMillis
 
-scalaVersion := "2.12.18"
+scalaVersion := "2.12.19"
 
 scalacOptions += "-Xexperimental"
 
diff --git a/src/sbt-test/sbt-guardrail/scala-client-codegen-app/build.sbt b/src/sbt-test/sbt-guardrail/scala-client-codegen-app/build.sbt
index e958e71..4be953e 100644
--- a/src/sbt-test/sbt-guardrail/scala-client-codegen-app/build.sbt
+++ b/src/sbt-test/sbt-guardrail/scala-client-codegen-app/build.sbt
@@ -2,7 +2,7 @@ name := "sbt-guardrail-scala-client-test-app"
 
 version := "1.0." + System.currentTimeMillis
 
-scalaVersion := "2.12.18"
+scalaVersion := "2.12.19"
 
 scalacOptions += "-Xexperimental"