diff --git a/spring-beans/spring-beans.gradle b/spring-beans/spring-beans.gradle
index 0e96708115..71dac23e74 100644
--- a/spring-beans/spring-beans.gradle
+++ b/spring-beans/spring-beans.gradle
@@ -25,6 +25,7 @@ sourceSets {
 compileGroovy {
 	sourceCompatibility = 1.8
 	targetCompatibility = 1.8
+	options.compilerArgs += "-Werror"
 }
 
 // This module also builds Kotlin code and the compileKotlin task naturally depends on