diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 52bdeba..a1cf0de 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -11,5 +11,5 @@ gradle-nexus-publish = { module = "io.github.gradle-nexus:publish-plugin", versi
 # dependencies
 jetbrains-annotations = { module = "org.jetbrains:annotations", version = "26.0.1" }
 # test dependencies
-spock-core = { module = "org.spockframework:spock-core", version = "2.4-M4-groovy-4.0" }
+spock-core = { module = "org.spockframework:spock-core", version = "2.4-M5-groovy-4.0" }
 logback-classic = { module = "ch.qos.logback:logback-classic", version = "1.5.16" }