diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6e97ca44..d179eca0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
       - uses: actions/checkout@v7
 
       - name: Set up Azul Zulu JDK ${{ matrix.java-version }}
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v5.6.0
         with:
           distribution: zulu
           java-version: ${{ matrix.java-version }}
diff --git a/.github/workflows/load.yml b/.github/workflows/load.yml
index 914a2ba0..3bf4cb91 100644
--- a/.github/workflows/load.yml
+++ b/.github/workflows/load.yml
@@ -33,7 +33,7 @@ jobs:
       - uses: actions/checkout@v7
 
       - name: Set up Azul Zulu JDK 25
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v5.6.0
         with:
           distribution: zulu
           java-version: '25'
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 8a1b666e..7d19792c 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v7
 
       - name: Set up JDK 25 with Maven Central publishing
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v5.6.0
         with:
           java-version: '25'
           distribution: 'zulu'
diff --git a/.github/workflows/raincloud-conformance.yml b/.github/workflows/raincloud-conformance.yml
index 1baca242..d2546576 100644
--- a/.github/workflows/raincloud-conformance.yml
+++ b/.github/workflows/raincloud-conformance.yml
@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v7
 
       - name: Set up Azul Zulu JDK 25
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v5.6.0
         with:
           distribution: zulu
           java-version: '25'
diff --git a/.github/workflows/sonar.yml b/.github/workflows/sonar.yml
index 63026a9c..1a5eb186 100644
--- a/.github/workflows/sonar.yml
+++ b/.github/workflows/sonar.yml
@@ -19,7 +19,7 @@ jobs:
           fetch-depth: 0
 
       - name: Set up Azul Zulu JDK 25
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v5.6.0
         with:
           distribution: zulu
           java-version: '25'