diff --git a/.github/workflows/merge-back.yaml b/.github/workflows/merge-back.yaml
index 5c80ddac7..04884e2be 100644
--- a/.github/workflows/merge-back.yaml
+++ b/.github/workflows/merge-back.yaml
@@ -31,5 +31,5 @@ jobs:
         with:
           github-token: ${{ secrets.BOT_GITHUB_TOKEN }}
           script: |
-            const script = require('./.github/scripts/merge-back.js');
+            const script = require('./.github/scripts/merge-back.cjs');
             await script({ core, github, context });
diff --git a/.github/workflows/release-branch.yaml b/.github/workflows/release-branch.yaml
index 087402d66..6d4b420f1 100644
--- a/.github/workflows/release-branch.yaml
+++ b/.github/workflows/release-branch.yaml
@@ -103,5 +103,5 @@ jobs:
         with:
           github-token: ${{ secrets.BOT_GITHUB_TOKEN }}
           script: |
-            const script = require('./.github/scripts/create-release-branch.js');
+            const script = require('./.github/scripts/create-release-branch.cjs');
             await script({ core, github, context });