diff --git a/.github/workflows/lint_pr.yml b/.github/workflows/lint_pr.yml
index b06f470a79..3144f22972 100644
--- a/.github/workflows/lint_pr.yml
+++ b/.github/workflows/lint_pr.yml
@@ -16,6 +16,6 @@ jobs:
     name: Validate PR title
     runs-on: ubuntu-latest
     steps:
-      - uses: amannn/action-semantic-pull-request@v5
+      - uses: amannn/action-semantic-pull-request@0723387faaf9b38adef4775cd42cfd5155ed6017 # v5
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}