diff --git a/build.gradle b/build.gradle
index 8d63c73..c488b3a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -44,7 +44,7 @@ dependencies {
     implementation "com.graphql-java:graphql-java:21.1"
 
     testImplementation 'org.spockframework:spock-core:1.3-groovy-2.5'
-    testImplementation('org.codehaus.groovy:groovy:2.5.13')
+    testImplementation('org.codehaus.groovy:groovy:3.0.19')
 }
 
 task sourcesJar(type: Jar, dependsOn: classes) {