diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index e223fcf..89987f2 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -28,7 +28,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup JDK 21
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           distribution: 'temurin'
           java-version: '21'
diff --git a/.github/workflows/javadoc.yml b/.github/workflows/javadoc.yml
index 0d92445..b128122 100644
--- a/.github/workflows/javadoc.yml
+++ b/.github/workflows/javadoc.yml
@@ -15,7 +15,7 @@ jobs:
         uses: actions/checkout@v4
       
       - name: Setup JDK 21
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           distribution: 'temurin'
           java-version: '21'
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e6fef6f..d325821 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -20,7 +20,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup JDK 21
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           distribution: 'temurin'
           java-version: '21'
diff --git a/.github/workflows/multi-platform.yml b/.github/workflows/multi-platform.yml
index 292d747..48c3c1e 100644
--- a/.github/workflows/multi-platform.yml
+++ b/.github/workflows/multi-platform.yml
@@ -34,7 +34,7 @@ jobs:
         run: brew install ncurses
       
       - name: Setup JDK ${{ matrix.java }}
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           distribution: 'temurin'
           java-version: ${{ matrix.java }}
diff --git a/.github/workflows/quality-gate.yml b/.github/workflows/quality-gate.yml
index 560a43e..9371453 100644
--- a/.github/workflows/quality-gate.yml
+++ b/.github/workflows/quality-gate.yml
@@ -40,7 +40,7 @@ jobs:
           fetch-depth: 0  # Full history for better analysis
 
       - name: Set up JDK 21
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@v6
         with:
           java-version: '21'
           distribution: 'temurin'
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7625777..761aeec 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,7 +17,7 @@ jobs:
         uses: actions/checkout@v4
       
       - name: Setup JDK 21
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           distribution: 'temurin'
           java-version: '21'