diff --git a/.github/workflows/pr_comment.yml b/.github/workflows/pr_comment.yml
index 601e7d1..3481351 100644
--- a/.github/workflows/pr_comment.yml
+++ b/.github/workflows/pr_comment.yml
@@ -10,7 +10,7 @@ jobs:
     permissions:
       pull-requests: write
     steps:
-      - uses: mshick/add-pr-comment@v2
+      - uses: mshick/add-pr-comment@b8f338c590a895d50bcbfa6c5859251edc8952fc # v2
         with:
           message: |  
             Hi there! 👋