Update gradle version.

diff --git a/build.gradle b/build.gradle
index 7ebb053f01ef760745524b50cf06d418debd0130..b12758b99018e0c2859921a2584d036574d3ba1a 100644 (file)
--- a/build.gradle
+++ b/build.gradle
@@ -3,7 +3,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.0'
+        classpath 'com.android.tools.build:gradle:2.2.0'
     }
 }