diff --git a/build.gradle b/build.gradle
index b708401..3bdf89f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,6 +14,7 @@ buildscript {
         classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.7.3'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:1.5'
         classpath 'com.dicedmelon.gradle:jacoco-android:0.1.1'
+        classpath 'org.codehaus.groovy:groovy-all:2.4.12'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files