diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 13ca2c7..2750596 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -3,7 +3,7 @@ axionRelease = "1.18.18"
 groovy = "4.0.29"
 rundeckCore = "6.0.0-alpha1-20260407"
 nexusPublish = "2.0.0"
-spock = "2.4-groovy-4.0"
+spock = "2.4-groovy-5.0"
 # Security overrides for transitive dependencies
 commonsLang3 = "3.20.0"