diff --git a/.github/workflows/test-redacted-env.yml b/.github/workflows/test-redacted-env.yml
index 6416b5b..ebd7985 100644
--- a/.github/workflows/test-redacted-env.yml
+++ b/.github/workflows/test-redacted-env.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
       
       - name: Create test mise config with sensitive values
         run: |