diff --git a/.github/workflows/merge.yml b/.github/workflows/merge.yml
index d3d0569e5..d50490afc 100644
--- a/.github/workflows/merge.yml
+++ b/.github/workflows/merge.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
+    - uses: actions/checkout@3b9b8c884f6b4bb4d5be2779c26374abadae0871
     - name: Set up JDK 8
       uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b
       with:
diff --git a/.github/workflows/pullrequest.yml b/.github/workflows/pullrequest.yml
index 5f09aa1ce..222ce6c5b 100644
--- a/.github/workflows/pullrequest.yml
+++ b/.github/workflows/pullrequest.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out the code
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
+        uses: actions/checkout@3b9b8c884f6b4bb4d5be2779c26374abadae0871
 
       - name: Set up JDK 8
         uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9b1ac3408..1cf4fb370 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -28,7 +28,7 @@ jobs:
       # These steps are only run if this was a merged release-please PR
       - name: checkout
         if: ${{ steps.release.outputs.release_created }}
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
+        uses: actions/checkout@3b9b8c884f6b4bb4d5be2779c26374abadae0871
       - name: Set up JDK 8
         if: ${{ steps.release.outputs.release_created }}
         uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b
diff --git a/.github/workflows/static-code-scanning.yaml b/.github/workflows/static-code-scanning.yaml
index 907a79f51..458b5e467 100644
--- a/.github/workflows/static-code-scanning.yaml
+++ b/.github/workflows/static-code-scanning.yaml
@@ -29,7 +29,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
+        uses: actions/checkout@3b9b8c884f6b4bb4d5be2779c26374abadae0871
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL