diff --git a/.github/workflows/antlr-runtime-testsuite.yml b/.github/workflows/antlr-runtime-testsuite.yml
index 5ea24d0d..ab22c410 100644
--- a/.github/workflows/antlr-runtime-testsuite.yml
+++ b/.github/workflows/antlr-runtime-testsuite.yml
@@ -48,7 +48,7 @@ jobs:
         run: cargo llvm-cov clean --workspace
 
       - name: Install Java
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           distribution: graalvm
           java-version: "21"
diff --git a/.github/workflows/claude-code-review.yml b/.github/workflows/claude-code-review.yml
index af676fc4..a825df6f 100644
--- a/.github/workflows/claude-code-review.yml
+++ b/.github/workflows/claude-code-review.yml
@@ -75,7 +75,7 @@ jobs:
           cargo binstall -y flamegraph
           echo "-1" | sudo tee /proc/sys/kernel/perf_event_paranoid
 
-      - uses: actions/setup-java@v5
+      - uses: actions/setup-java@v6
         with:
           distribution: "temurin"
           java-version: "25"
diff --git a/.github/workflows/cpd.yml b/.github/workflows/cpd.yml
index 587201cc..2ee0ea43 100644
--- a/.github/workflows/cpd.yml
+++ b/.github/workflows/cpd.yml
@@ -53,7 +53,7 @@ jobs:
 
       - name: Setup Java
         if: steps.changed.outputs.count != '0'
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           distribution: temurin
           java-version: "21"
diff --git a/.github/workflows/kotlin-parity.yml b/.github/workflows/kotlin-parity.yml
index 8d13da8b..d786523a 100644
--- a/.github/workflows/kotlin-parity.yml
+++ b/.github/workflows/kotlin-parity.yml
@@ -39,7 +39,7 @@ jobs:
           rustup default stable
 
       - name: Install Java
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           distribution: temurin
           java-version: "21"