diff --git a/metadata/com.physphil.android.unitconverterultimate.txt b/metadata/com.physphil.android.unitconverterultimate.txt
index 8052ec5da5..cd4acf04eb 100644
--- a/metadata/com.physphil.android.unitconverterultimate.txt
+++ b/metadata/com.physphil.android.unitconverterultimate.txt
@@ -46,6 +46,15 @@ Build:5.0.1,50001
     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
 
+Build:5.1,50100
+    commit=v5.1
+    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
+
 Maintainer Notes:
 Upstream intents to fix the firebase stuff after 5.0.1, see
 https://github.com/physphil/UnitConverterUltimate/issues/13