diff --git a/build.gradle b/build.gradle
index 2884b77..d55a928 100644
--- a/build.gradle
+++ b/build.gradle
@@ -24,7 +24,7 @@ dependencies {
     compile gradleApi()
     compile 'org.codehaus.groovy:groovy-all:2.4.4'
     compile 'com.moowork.gradle:gradle-node-plugin:0.14'
-    testCompile 'org.spockframework:spock-core:0.7-groovy-2.0'
+    testCompile 'org.spockframework:spock-core:2.1-groovy-3.0'
 }
 
 pluginBundle {