diff --git a/metadata/org.ninthfloor.copperpdf.yml b/metadata/org.ninthfloor.copperpdf.yml
index cb09514b07..e0a4a809cc 100644
--- a/metadata/org.ninthfloor.copperpdf.yml
+++ b/metadata/org.ninthfloor.copperpdf.yml
@@ -50,15 +50,15 @@ Builds:
     gradle:
       - yes
 
-  - versionName: 1.3.0
+  - versionName: v1.3.0
     versionCode: 5
-    disable: Could not find com.android.tools.build:gradle:3.0.1
     commit: v1.3.0
     subdir: app
     gradle:
       - yes
+    prebuild: sed -i -e '/jcenter/a google()' ../build.gradle
 
 AutoUpdateMode: Version v%v
 UpdateCheckMode: Tags
-CurrentVersion: 1.3.0
+CurrentVersion: v1.3.0
 CurrentVersionCode: 5