diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index cdbe7b141..78c7f6c3c 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -13,7 +13,7 @@ jobs:
     name: Check track configuration
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b # v3.0.1
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.0.1
         with:
           # main is needed in addition to HEAD, because the README check only
           # checks exercises changed since main. This fetches the entire repo's
@@ -71,7 +71,7 @@ jobs:
     # https://github.com/actions/toolkit/issues/399
     continue-on-error: ${{ matrix.resolver == 'nightly' }}
     steps:
-      - uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b # v3.0.1
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.0.1
 
       - name: Install yq (for stack resolvers)
         run: |