diff --git a/.github/workflows/post-release-mergeback.yml b/.github/workflows/post-release-mergeback.yml
index ceb220b3a..c493c2a38 100644
--- a/.github/workflows/post-release-mergeback.yml
+++ b/.github/workflows/post-release-mergeback.yml
@@ -52,6 +52,9 @@ jobs:
           node-version: 24
           cache: 'npm'
 
+      - name: Install JavaScript dependencies
+        run: npm ci
+
       - name: Update git config
         run: |
           git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"