diff --git a/metadata/org.secuso.privacyfriendlytodolist.yml b/metadata/org.secuso.privacyfriendlytodolist.yml
index aced358152..e894bf2b8a 100644
--- a/metadata/org.secuso.privacyfriendlytodolist.yml
+++ b/metadata/org.secuso.privacyfriendlytodolist.yml
@@ -60,9 +60,13 @@ Builds:
 
   - versionName: 2.4.0
     versionCode: 7
-    disable: fails to build
     commit: cd26ec626c5a8d83fb12c9c6d313e925e9c49221
     subdir: app
+    submodules: true
+    sudo:
+      - apt-get update || apt-get update
+      - apt-get install -y openjdk-11-jdk-headless
+      - update-alternatives --auto java
     gradle:
       - yes