diff --git a/metadata/cc.narumi.chaldea.fdroid.yml b/metadata/cc.narumi.chaldea.fdroid.yml
index 4d0723643f..8955efe74f 100644
--- a/metadata/cc.narumi.chaldea.fdroid.yml
+++ b/metadata/cc.narumi.chaldea.fdroid.yml
@@ -208,6 +208,10 @@ Builds:
   - versionName: 2.1.0
     versionCode: 913
     commit: 9d519ab9cdec68eb1759962945662f26f7fc6a94
+    sudo:
+      - apt-get update || apt-get update
+      - apt-get install -y openjdk-11-jdk-headless
+      - update-alternatives --auto java
     output: build/app/outputs/flutter-apk/app-fdroid-release.apk
     srclibs:
       - flutter@3.0.1