diff --git a/.github/workflows/check-upstream-ed25519.yml b/.github/workflows/check-upstream-ed25519.yml
index cb099946..58773c02 100644
--- a/.github/workflows/check-upstream-ed25519.yml
+++ b/.github/workflows/check-upstream-ed25519.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Check out repository
-      uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
+      uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab
     - name: Test if ed25519 upstream master HEAD is what we expect
       id: test_ed25519
       run: |
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8449694c..5afd410e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout securesystemslib
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
+        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@d27e3f3d7c64b4bbf8e4abfb9b63b83e846e0435
diff --git a/.github/workflows/test-kms.yml b/.github/workflows/test-kms.yml
index e425b897..c7a6bafd 100644
--- a/.github/workflows/test-kms.yml
+++ b/.github/workflows/test-kms.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout securesystemslib
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
+        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab
 
       - name: Set up Python
         uses: actions/setup-python@d27e3f3d7c64b4bbf8e4abfb9b63b83e846e0435