diff --git a/.github/workflows/pr-size.yml b/.github/workflows/pr-size.yml
index b6dfdee..eea151e 100644
--- a/.github/workflows/pr-size.yml
+++ b/.github/workflows/pr-size.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Compute diff size, apply label, and enforce limit
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const owner = context.repo.owner;