diff --git a/build.gradle b/build.gradle
index 451f666..429de0a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -18,7 +18,7 @@ dependencies {
     compile('org.yaml:snakeyaml:1.26')
 
     testCompile('com.github.tomakehurst:wiremock:2.26.3')
-    testCompile('org.spockframework:spock-core:1.3-groovy-2.5')
+    testCompile('org.spockframework:spock-core:2.0-groovy-3.0')
 }
 
 group = 'org.rewedigital'