diff --git a/build.gradle b/build.gradle
index 8847d18d0..ef9c4c41d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -36,7 +36,7 @@ targetCompatibility = 1.8
 
 ext {
     slf4jVersion = '1.7.25'
-    groovyVersion = '2.4.15'
+    groovyVersion = '2.5.4'
 }
 
 /*
diff --git a/src/main/resources/META-INF/services/org.codehaus.groovy.runtime.ExtensionModule b/src/main/resources/META-INF/groovy/org.codehaus.groovy.runtime.ExtensionModule
similarity index 100%
rename from src/main/resources/META-INF/services/org.codehaus.groovy.runtime.ExtensionModule
rename to src/main/resources/META-INF/groovy/org.codehaus.groovy.runtime.ExtensionModule