diff --git a/spring-boot-modules/spring-boot-testing/pom.xml b/spring-boot-modules/spring-boot-testing/pom.xml
index f54a1964f9..7eadfd9b24 100644
--- a/spring-boot-modules/spring-boot-testing/pom.xml
+++ b/spring-boot-modules/spring-boot-testing/pom.xml
@@ -147,7 +147,7 @@
         <!-- The main class to start by executing java -jar -->
         <start-class>com.baeldung.boot.Application</start-class>
         <git-commit-id-plugin.version>2.2.4</git-commit-id-plugin.version>
-        <spock.version>2.4-M1-groovy-4.0</spock.version>
+        <spock.version>2.4-M1-groovy-3.0</spock.version>
         <gmavenplus-plugin.version>2.0.0</gmavenplus-plugin.version>
         <maven-compiler-plugin.version>3.10.1</maven-compiler-plugin.version>
         <redis.version>0.7.2</redis.version>