diff --git a/.github/workflows/merge.yml b/.github/workflows/merge.yml
index a0e29ee6..4589d724 100644
--- a/.github/workflows/merge.yml
+++ b/.github/workflows/merge.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@6b42224f41ee5dfe5395e27c8b2746f1f9955030
+    - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
     - name: Set up JDK 8
       uses: actions/setup-java@292cc14be88d32cccdd768342b8aa1296a4d8d46
       with:
diff --git a/.github/workflows/pullrequest.yml b/.github/workflows/pullrequest.yml
index 6469533b..881103b1 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@6b42224f41ee5dfe5395e27c8b2746f1f9955030
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
 
       - name: Set up JDK 8
         uses: actions/setup-java@292cc14be88d32cccdd768342b8aa1296a4d8d46
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a8d55ea5..339703b7 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@6b42224f41ee5dfe5395e27c8b2746f1f9955030
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: Set up JDK 8
         if: ${{ steps.release.outputs.release_created }}
         uses: actions/setup-java@292cc14be88d32cccdd768342b8aa1296a4d8d46
diff --git a/.github/workflows/static-code-scanning.yaml b/.github/workflows/static-code-scanning.yaml
index d151128e..5f71d859 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@6b42224f41ee5dfe5395e27c8b2746f1f9955030
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL