diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index eb736fb947..f7a3774ed3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -57,7 +57,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: ShellCheck
-        uses: ludeeus/action-shellcheck@master
+        uses: ludeeus/action-shellcheck@00b27aa7cb85167568cb48a3838b75f4265f2bca # master
 
   shfmt:
     runs-on: ubuntu-latest