diff --git a/.github/workflows/shellcheck.yml b/.github/workflows/shellcheck.yml
index 2ef3a8c..0765720 100644
--- a/.github/workflows/shellcheck.yml
+++ b/.github/workflows/shellcheck.yml
@@ -12,6 +12,6 @@ jobs:
     name: ShellCheck
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4.3.0
+      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
       - name: Run ShellCheck
         run: find . -type f -name "*.sh" -exec shellcheck {} +