diff --git a/.github/workflows/validate-shell-scripts.yml b/.github/workflows/validate-shell-scripts.yml
index c77931d..65c0947 100644
--- a/.github/workflows/validate-shell-scripts.yml
+++ b/.github/workflows/validate-shell-scripts.yml
@@ -17,3 +17,4 @@ jobs:
         with:
           scandir: "."
           severity: error
+          shell_files: "**/*.sh"