diff --git a/build.gradle b/build.gradle
index 031632c..e72b084 100644
--- a/build.gradle
+++ b/build.gradle
@@ -70,7 +70,7 @@ subprojects {
         implementation("org.apache.commons:commons-lang3:3.14.0")
 
         // Spock
-        testImplementation(platform("org.spockframework:spock-bom:2.4-M2-groovy-4.0"))
+        testImplementation(platform("org.spockframework:spock-bom:2.4-M4-groovy-4.0"))
         testImplementation("org.apache.groovy:groovy:4.0.20")
         testImplementation("org.spockframework:spock-core")
         testImplementation("org.spockframework:spock-spring")