diff --git a/.github/workflows/push-branch.yml b/.github/workflows/push-branch.yml
index 037c26d..c520b8c 100644
--- a/.github/workflows/push-branch.yml
+++ b/.github/workflows/push-branch.yml
@@ -65,6 +65,11 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
+      - name: Set up JDK 21
+        uses: actions/setup-java@v3
+        with:
+          java-version: '21'
+          distribution: 'temurin'
       - uses: snyk/actions/setup@0.4.0
       - name: Install snyk-delta
         run: |