diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0319c00..c373f63 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -48,6 +48,11 @@ jobs:
         uses: subosito/flutter-action@v2
         with:
           channel: stable
+      - name: Set up Java
+        uses: actions/setup-java@v4
+        with:
+          distribution: zulu
+          java-version: 21
       - name: Decode and save keystore
         run: |
           echo "${{ secrets.KEYSTORE }}" | base64 --decode > android/keystore.jks