diff --git a/build.gradle b/build.gradle
index 8196769..3f43fb3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -30,7 +30,7 @@ dependencies {
     compile gradleApi()
     compile 'org.codehaus.groovy:groovy-all:2.4.4'
     compile 'com.moowork.gradle:gradle-node-plugin:0.11'
-    testCompile 'org.spockframework:spock-core:0.7-groovy-2.0'
+    testCompile 'org.spockframework:spock-core:1.3-groovy-2.5'
 }
 
 pluginBundle {