diff --git a/metadata/com.murrayc.galaxyzoo.app.txt b/metadata/com.murrayc.galaxyzoo.app.txt
index bc2c17127b..279e8ab28c 100644
--- a/metadata/com.murrayc.galaxyzoo.app.txt
+++ b/metadata/com.murrayc.galaxyzoo.app.txt
@@ -43,6 +43,12 @@ Build:1.30,30
     gradle=yes
     prebuild=sed -i -e 's/21.0.2/21.0.+/g' build.gradle
 
+Build:1.31,31
+    commit=1.31
+    subdir=app
+    gradle=yes
+    prebuild=sed -i -e 's/21.0.2/21.0.+/g' build.gradle
+
 Maintainer Notes:
 support-v4 and appcompat-v7 has no jar for 21.0.+ in my local maven repo,
 only -sources.jar. Prior versions did install jars.
@@ -50,6 +56,6 @@ only -sources.jar. Prior versions did install jars.
 
 Auto Update Mode:Version %v
 Update Check Mode:Tags
-Current Version:1.30
-Current Version Code:30
+Current Version:1.31
+Current Version Code:31