diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 9fd121f..cc7be64 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -68,6 +68,19 @@ jobs:
           token: ${{ secrets.GITEA_TOKEN }}
           github-server-url: https://git.saont.net
 
+      - name: Set up Java 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: "17"
+
+      - name: Set up Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          channel: stable
+          flutter-version: "3.41.9"
+          cache: true
+
       - name: Check build environment
         shell: bash
         run: |