diff --git a/.github/workflows/push-and-pull_request.yml b/.github/workflows/push-and-pull_request.yml
index f9790d098..de5deea4c 100644
--- a/.github/workflows/push-and-pull_request.yml
+++ b/.github/workflows/push-and-pull_request.yml
@@ -1,7 +1,9 @@
 name: Build on Push and Pull Request
 on:
-  - push
-  - pull_request
+  push:
+    branches:
+      - master
+  pull_request:
 
 jobs:
   build:
@@ -9,25 +11,26 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        # Supported versions as of https://en.wikipedia.org/wiki/Java_version_history
+        # Supported LTS versions as of https://en.wikipedia.org/wiki/Java_version_history
         java-version:
           - 8
           - 11
-          - 16
+          - 17
+          - 21
 
     name: Build with JDK ${{ matrix.java-version }}
     steps:
       - name: Cache Dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           key: maven-dependencies
           path: ~/.m2/repository
       - name: Check out
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up JDK ${{ matrix.java-version }}
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
-          distribution: adopt
+          distribution: temurin
           java-version: ${{ matrix.java-version }}
           gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
           gpg-passphrase: GPG_PASSPHRASE
@@ -38,6 +41,7 @@ jobs:
           set +o errexit +o pipefail
       - id: version
         name: Evaluate Version
+        shell: bash {0}
         run: |
           project_version=`mvn help:evaluate --quiet --define expression=project.version --define forceStdout`
           echo "Version: ${project_version}"
@@ -95,7 +99,7 @@ jobs:
           fi
       - name: Deploy Site
         if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' && matrix.java-version == 8 && steps.version.outputs.is-snapshot == 'true' }}
-        uses: peaceiris/actions-gh-pages@v3.8.0
+        uses: peaceiris/actions-gh-pages@v4.0.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./target/site
diff --git a/pom.xml b/pom.xml
index 2fdde5e4b..64c3d158a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -118,9 +118,9 @@
 		</dependency>
 
 		<dependency>
-			<groupId>com.googlecode.jmockit</groupId>
+			<groupId>org.jmockit</groupId>
 			<artifactId>jmockit</artifactId>
-			<version>1.7</version>
+			<version>1.29</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>