diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index bc3fd46..92192e8 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -17,7 +17,7 @@ hibernate-validator = "8.0.2.Final"
 json-schema-validator = "2.2.14"
 everit-json-schema = "1.11.0"
 plugin-publish = "0.21.0"
-spock = "2.4-M4-groovy-4.0"
+spock = "2.4-M5-groovy-4.0"
 
 [plugins]
 kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }