diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 2cd216d6..fdc87512 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -15,7 +15,7 @@ jobs:
     container:
       image: crystallang/crystal
     steps:
-      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
+      - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab
       - name: Run generator tests
         run: ./bin/test_specs
   template:
@@ -24,7 +24,7 @@ jobs:
     container:
       image: crystallang/crystal
     steps:
-      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
+      - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab
       - name: Run file formatting
         run: crystal ./bin/check-format.cr
   exercises:
@@ -37,7 +37,7 @@ jobs:
     container:
       image: crystallang/crystal:${{ matrix.crystal }}
     steps:
-      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
+      - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab
       - name: Install jq
         run: apt-get update && apt-get install -y jq
       - name: Run tests