diff --git a/.github/workflows/check-upstream-ed25519.yml b/.github/workflows/check-upstream-ed25519.yml
index 028dd863..11e25486 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@8e5e7e5ab8b370d6c329ec480221332ada57f0ab
+      uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
     - name: Test if ed25519 upstream main HEAD is what we expect
       id: test_ed25519
       run: |
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 31de79f6..53dfa239 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -37,7 +37,7 @@ jobs:
 
     steps:
       - name: Checkout securesystemslib
-        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab
+        uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@57ded4d7d5e986d7296eab16560982c6dd7c923b
diff --git a/.github/workflows/test-kms.yml b/.github/workflows/test-kms.yml
index ee3f93b9..38f52cf1 100644
--- a/.github/workflows/test-kms.yml
+++ b/.github/workflows/test-kms.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout securesystemslib
-        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab
+        uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
 
       - name: Set up Python
         uses: actions/setup-python@57ded4d7d5e986d7296eab16560982c6dd7c923b
diff --git a/.github/workflows/test-sigstore.yml b/.github/workflows/test-sigstore.yml
index 5535765f..b248fd3d 100644
--- a/.github/workflows/test-sigstore.yml
+++ b/.github/workflows/test-sigstore.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout securesystemslib
-        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab
+        uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
 
       - name: Set up Python
         uses: actions/setup-python@57ded4d7d5e986d7296eab16560982c6dd7c923b