diff --git a/.github/workflows/ci_build.yml b/.github/workflows/ci_build.yml
index f7dc677..b882652 100644
--- a/.github/workflows/ci_build.yml
+++ b/.github/workflows/ci_build.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up JDK 17 (OpenJ9)
         uses: actions/setup-java@v4
@@ -33,7 +33,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up JDK 17 (OpenJ9)
         uses: actions/setup-java@v4
@@ -70,7 +70,7 @@ jobs:
             platform: web
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up JDK 17 (OpenJ9)
         uses: actions/setup-java@v4
diff --git a/.github/workflows/javadoc_pages.yml b/.github/workflows/javadoc_pages.yml
index 11c0989..9bcce08 100644
--- a/.github/workflows/javadoc_pages.yml
+++ b/.github/workflows/javadoc_pages.yml
@@ -23,7 +23,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up JDK 17 (OpenJ9)
         uses: actions/setup-java@v4