diff --git a/.github/workflows/maven-build.yml b/.github/workflows/maven-build.yml
index c85498c..fc4f02d 100644
--- a/.github/workflows/maven-build.yml
+++ b/.github/workflows/maven-build.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        java: [11, 17]
+        java: [11, 17, 21]
         os: [ubuntu-latest]
         distribution: [temurin]
 
diff --git a/.github/workflows/maven-deploy.yml b/.github/workflows/maven-deploy.yml
index 30b8e54..c709b1c 100644
--- a/.github/workflows/maven-deploy.yml
+++ b/.github/workflows/maven-deploy.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Configure GIT
         run: |
diff --git a/.github/workflows/release-from-tag.yml b/.github/workflows/release-from-tag.yml
index 53c567c..40c2cd7 100644
--- a/.github/workflows/release-from-tag.yml
+++ b/.github/workflows/release-from-tag.yml
@@ -12,7 +12,7 @@ jobs:
     permissions:
       contents: write
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: ncipollo/release-action@v1
       with:
         body: 'Changes: https://wcm.io/wcm/core-components/changes-report.html'
diff --git a/parent/pom.xml b/parent/pom.xml
index 67d5bda..3eff1fa 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>io.wcm</groupId>
     <artifactId>io.wcm.parent_toplevel</artifactId>
-    <version>2.2.2</version>
+    <version>2.2.3-SNAPSHOT</version>
     <relativePath />
   </parent>
 
@@ -160,7 +160,7 @@
       <dependency>
         <groupId>io.wcm</groupId>
         <artifactId>io.wcm.testing.aem-mock.junit5</artifactId>
-        <version>5.4.0</version>
+        <version>5.4.1-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>org.apache.sling</groupId>