diff --git a/build.gradle b/build.gradle
index a4247ff3..f271cedf 100644
--- a/build.gradle
+++ b/build.gradle
@@ -79,7 +79,7 @@ dependencies {
 
 	// testing
 	testImplementation 'org.spockframework:spock-core:2.3-groovy-4.0'
-	testImplementation 'org.apache.groovy:groovy:4.0.26'
+	testImplementation 'org.apache.groovy:groovy:5.0.2'
 	testImplementation 'org.junit.jupiter:junit-jupiter:6.0.1'
 	testRuntimeOnly 'org.junit.platform:junit-platform-launcher:6.0.1'