diff --git a/metadata/org.xphnx.ameixamonochrome.yml b/metadata/org.xphnx.ameixamonochrome.yml
index 70dde7a4f1..db72ea0d83 100644
--- a/metadata/org.xphnx.ameixamonochrome.yml
+++ b/metadata/org.xphnx.ameixamonochrome.yml
@@ -260,8 +260,10 @@ Builds:
     subdir: app
     gradle:
       - monochromatic
-    prebuild: sed -i -e 's/applicationIdSuffix "monochrome"/applicationId "org.xphnx.ameixamonochrome"/'
-      build.gradle
+    prebuild:
+      - sed -i -e 's/applicationIdSuffix "monochrome"/applicationId "org.xphnx.ameixamonochrome"/'
+        build.gradle
+      - sed -i -e 's/gradle:4.1.1/gradle:4.2.0/' ../build.gradle
 
 AutoUpdateMode: Version
 UpdateCheckMode: Tags