diff --git a/xwords4/android/app/build.gradle b/xwords4/android/app/build.gradle
index 5a9e97a8e..fbdd9915b 100644
--- a/xwords4/android/app/build.gradle
+++ b/xwords4/android/app/build.gradle
@@ -1,4 +1,4 @@
-def INITIAL_CLIENT_VERS = 9
+def INITIAL_CLIENT_VERS = 10
 def VERSION_CODE_BASE = 159
 def VERSION_NAME = '4.4.163'
 def FABRIC_API_KEY = System.getenv("FABRIC_API_KEY")