diff --git a/build.gradle b/build.gradle
index 12c4c184..6bc8327b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,7 +3,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.3'
+        classpath 'com.android.tools.build:gradle:2.2.0'
     }
 }
 
diff --git a/test_client/build.gradle b/test_client/build.gradle
index 47e20357..bac9e894 100644
--- a/test_client/build.gradle
+++ b/test_client/build.gradle
@@ -1,12 +1,3 @@
-buildscript {
-    repositories {
-        jcenter()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.3'
-    }
-}
-
 apply plugin: 'com.android.application'