diff --git a/metadata/com.unciv.app.yml b/metadata/com.unciv.app.yml
index 17fdcbb035..3b9a6b7d0a 100644
--- a/metadata/com.unciv.app.yml
+++ b/metadata/com.unciv.app.yml
@@ -2795,9 +2795,26 @@ Builds:
     scandelete:
       - site/sitemap.xml.gz
 
+  - versionName: 4.0.0
+    versionCode: 690
+    commit: 5fa10348b59747bbed203d503b0878687840e5cd
+    subdir: android
+    sudo:
+      - apt-get update || apt-get update
+      - apt-get install -y openjdk-11-jdk
+      - update-alternatives --auto java
+    gradle:
+      - yes
+    rm:
+      - desktop
+    prebuild: JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64 $$SDK$$/tools/bin/sdkmanager
+        'platforms;android-30' 'build-tools;30.0.3' > /dev/null
+    scandelete:
+      - site/sitemap.xml.gz
+
 AutoUpdateMode: Version
 UpdateCheckMode: Tags
 UpdateCheckData: buildSrc/src/main/kotlin/BuildConfig.kt|appCodeNumber = (.*)|.|appVersion
     = "(.*)"
-CurrentVersion: 3.19.18
-CurrentVersionCode: 689
+CurrentVersion: 4.0.0
+CurrentVersionCode: 690