diff --git a/gradle.properties b/gradle.properties
index 1779fd9..2f4ec89 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,7 +4,7 @@ developers=Graeme Rocher
 grailsVersion=5.1.8
 grailsGradlePluginVersion=5.1.4
 groovyVersion=3.0.11
-gebSpock=2.3.1
+gebSpock=5.1
 org.gradle.parallel=true
 org.gradle.caching=true
 org.gradle.daemon=true