diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d7d860f..b95939b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v1
 
       - name: shellcheck
-        uses: fearphage/shellcheck-action
+        uses: fearphage/shellcheck-action@master
 
       - name: hadolint
         uses: brpaz/hadolint-action@master