diff --git a/build.gradle b/build.gradle
index cf0e6e8..bced71d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@
     }
     dependencies {
         // https://jcenter.bintray.com/com/android/tools/build/gradle
-        classpath 'com.android.tools.build:gradle:2.2.3'
+        classpath 'com.android.tools.build:gradle:2.3.3'
     }
 }