diff --git a/test/build.gradle b/test/build.gradle
index 33d95b72..dd30a4a9 100644
--- a/test/build.gradle
+++ b/test/build.gradle
@@ -25,7 +25,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.2'
+        classpath 'com.android.tools.build:gradle:2.2.1'
     }
 }