diff --git a/metadata/se.leap.riseupvpn.yml b/metadata/se.leap.riseupvpn.yml
index 65603e8cb3..08a30cc432 100644
--- a/metadata/se.leap.riseupvpn.yml
+++ b/metadata/se.leap.riseupvpn.yml
@@ -287,14 +287,18 @@ Builds:
     submodules: true
     sudo:
       - apt-get update
-      - apt-get install -y make gcc swig lib32stdc++6 lib32z1 autogen automake autopoint
-        libtool pkg-config po4a
+      - apt-get install -y make g++ swig lib32stdc++6 lib32z1 autogen automake autopoint
+        libtool pkg-config po4a openjdk-17-jdk-headless
+      - update-java-alternatives -a
     gradle:
       - customProductionFat
     rm:
       - tor-android/external/openssl/fuzz
       - tor-android/external/openssl/boringssl/fuzz
-    prebuild: sed -i -e 's|./gradlew|gradle|' ../scripts/build_deps.sh
+    prebuild:
+      - sed -i -e 's|./gradlew|gradle|' ../scripts/build_deps.sh
+      - sed -i -e '/signingConfigs.getByName/d' -e 's/isEnable\ =\ true/isEnable\
+        =\ false/' ../ics-openvpn/main/build.gradle.kts
     scandelete:
       - bitmaskcore/obfsvpn/mobile/android/obfsvpn-sources.jar
       - bitmaskcore/obfsvpn/mobile/android/obfsvpn.aar