diff --git a/.github/workflows/publish_npm.yml b/.github/workflows/publish_npm.yml
index fee81e0..cd63b59 100644
--- a/.github/workflows/publish_npm.yml
+++ b/.github/workflows/publish_npm.yml
@@ -17,7 +17,7 @@ jobs:
 
             - name: "Check file existence"
               id: check_files
-              uses: andstor/file-existence-action@v3
+              uses: andstor/file-existence-action@076e0072799f4942c8bc574a82233e1e4d13e9d6 # v3.0.0
               with:
                 files: "package.json, README.md"