diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index b4f176b..1f74a60 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -6,7 +6,7 @@ kotlinx-coroutines = "1.10.1"
 kotlinx-serialization = "1.8.0"
 groovy = "4.0.24"
 gson = "2.11.0"
-spock = "2.4-M4-groovy-4.0"
+spock = "2.4-M5-groovy-4.0"
 retrofit = "2.11.0"
 retrofit-json = "1.8.0"
 retrofit-converter = "1.0.0"