diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index b12ab84..310ed6f 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -3,7 +3,7 @@ project = "2025.1-SNAPSHOT"
 
 api = "2024.2"
 snakeyaml = "2.5"
-spock = "2.4-M4-groovy-3.0"
+spock = "2.4-M6-groovy-4.0"
 bytebuddy = "1.17.7"
 
 # plugins