diff --git a/metadata/com.simplemobiletools.contacts.pro.yml b/metadata/com.simplemobiletools.contacts.pro.yml
index 2dacbd8b7c..2826cd8552 100644
--- a/metadata/com.simplemobiletools.contacts.pro.yml
+++ b/metadata/com.simplemobiletools.contacts.pro.yml
@@ -500,7 +500,7 @@ Builds:
     subdir: app
     gradle:
       - fdroid
-    prebuild: sed -i -e '/keystore.*{/,/}/d; /keystore/d' build.gradle
+    prebuild: echo -e "\norg.gradle.jvmargs=-Xmx4096m" >> ../gradle.properties
 
 AutoUpdateMode: Version
 UpdateCheckMode: Tags