diff --git a/.github/workflows/ci-prb.yml b/.github/workflows/ci-prb.yml
index 55bf1c3a..29672e13 100644
--- a/.github/workflows/ci-prb.yml
+++ b/.github/workflows/ci-prb.yml
@@ -14,7 +14,7 @@ jobs:
         os: [ ubuntu-latest ]
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set up JDK ${{ matrix.java }}
         uses: actions/setup-java@v4
         with:
diff --git a/.github/workflows/ci-release-javadocs.yml b/.github/workflows/ci-release-javadocs.yml
index 90d1b5db..13184a76 100644
--- a/.github/workflows/ci-release-javadocs.yml
+++ b/.github/workflows/ci-release-javadocs.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set up JDK 17
         uses: actions/setup-java@v4
         with:
diff --git a/.github/workflows/ci-release.yml b/.github/workflows/ci-release.yml
index 06e581f7..4189e4b2 100644
--- a/.github/workflows/ci-release.yml
+++ b/.github/workflows/ci-release.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set up JDK 17
         uses: actions/setup-java@v4
         with:
diff --git a/.github/workflows/ci-snapshot.yml b/.github/workflows/ci-snapshot.yml
index bba2a541..1d5195ed 100644
--- a/.github/workflows/ci-snapshot.yml
+++ b/.github/workflows/ci-snapshot.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
diff --git a/.github/workflows/gradle-wrapper-validation.yml b/.github/workflows/gradle-wrapper-validation.yml
index 5ea5aa89..f81930b5 100644
--- a/.github/workflows/gradle-wrapper-validation.yml
+++ b/.github/workflows/gradle-wrapper-validation.yml
@@ -5,5 +5,5 @@ jobs:
   validation:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: gradle/wrapper-validation-action@v3.5.0