diff --git a/build.gradle b/build.gradle
index 91947ad..19e4b85 100644
--- a/build.gradle
+++ b/build.gradle
@@ -18,7 +18,7 @@ dependencies {
 
     compile 'org.hibernate:hibernate-entitymanager:5.6.15.Final'
 
-    testCompile 'org.spockframework:spock-core:1.3-groovy-2.5'
+    testCompile 'org.spockframework:spock-core:2.3-groovy-4.0'
     testCompile 'junit:junit:4.13.2'
 
     runtime 'org.glassfish:javax.json:1.1.4'