diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8f7f478e..6603b925 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
           lfs: true
 
       - name: Set up JDK 21
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v5.6.0
         with:
           java-version: "21"
           distribution: "temurin"
diff --git a/.github/workflows/debug.yml b/.github/workflows/debug.yml
index ff31ad3a..82903032 100644
--- a/.github/workflows/debug.yml
+++ b/.github/workflows/debug.yml
@@ -24,7 +24,7 @@ jobs:
           lfs: true
 
       - name: Set up JDK 21
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v5.6.0
         with:
           java-version: "21"
           distribution: "temurin"
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 5eaa4d38..05267be5 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -35,7 +35,7 @@ jobs:
           lfs: true
 
       - name: Set up JDK 21
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v5.6.0
         with:
           java-version: "21"
           distribution: "temurin"
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 70c34fd8..493bbcdf 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -34,7 +34,7 @@ jobs:
           lfs: true
 
       - name: Set up JDK 21
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v5.6.0
         with:
           java-version: "21"
           distribution: "temurin"