diff --git a/.github/workflows/ant.yml b/.github/workflows/ant.yml
index 06fc807..220a9ca 100644
--- a/.github/workflows/ant.yml
+++ b/.github/workflows/ant.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Set up JDK 11
       uses: actions/setup-java@v4
       with:
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 61f97fa..c8ac304 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Set up JDK 17
       uses: actions/setup-java@v4