diff --git a/.bootstrap/VERSION b/.bootstrap/VERSION
index 5025832..72cb868 100644
--- a/.bootstrap/VERSION
+++ b/.bootstrap/VERSION
@@ -1 +1 @@
-0.5.20
+0.5.21
diff --git a/.github/workflows/upgrade-makesystem.yml b/.github/workflows/upgrade-makesystem.yml
index 20030f1..fa27578 100644
--- a/.github/workflows/upgrade-makesystem.yml
+++ b/.github/workflows/upgrade-makesystem.yml
@@ -44,7 +44,7 @@ jobs:
           private_key: ${{ secrets.UPGRADE_MAKESYSTEM_BOT_APP_PRIVATE_KEY }}
 
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v5
+        uses: peter-evans/create-pull-request@v6
         with:
           token: ${{ steps.generate-token.outputs.token }}
           commit-message: |