diff --git a/metadata/com.physphil.android.unitconverterultimate.txt b/metadata/com.physphil.android.unitconverterultimate.txt
index 680e43cf8e..a859872e3d 100644
--- a/metadata/com.physphil.android.unitconverterultimate.txt
+++ b/metadata/com.physphil.android.unitconverterultimate.txt
@@ -100,7 +100,16 @@ Build:5.5,50500
         sed -i -e '/gms/d' -e 's/\(repositories {\)/\1 jcenter()/' ../build.gradle && \
         sed -i -e '/firebase/d' build.gradle
 
+Build:5.5,50501
+    commit=v5.5
+    subdir=app
+    gradle=base
+    prebuild=perl -0 -p -i -e 's|<Preference\s[^<]*<intent\s[^<]*\.DonateActivity".*?</Preference>\s*||s' app/src/main/res/xml/preferences.xml && \
+        perl -0 -p -i -e 's|<activity\s[^<]*"\.DonateActivity".*?/>\s*||s' app/src/main/AndroidManifest.xml && \
+        sed -i -e '/gms/d' -e 's/\(repositories {\)/\1 jcenter()/' ../build.gradle && \
+        sed -i -e '/firebase/d' build.gradle
+
 Auto Update Mode:Version v%v
 Update Check Mode:Tags
 Current Version:5.5
-Current Version Code:50500
+Current Version Code:50501