diff --git a/build.gradle b/build.gradle
index baf7668..1160166 100644
--- a/build.gradle
+++ b/build.gradle
@@ -57,7 +57,7 @@ dependencies {
     testImplementation "org.rundeck.api:rd-api-client:${rdVersion}"
 
     testImplementation group: 'junit', name: 'junit', version: '4.12'
-    testImplementation "org.codehaus.groovy:groovy-all:2.5.16"
+    testImplementation "org.codehaus.groovy:groovy-all:2.5.22"
     testImplementation "org.spockframework:spock-core:1.3-groovy-2.5"
 }