diff --git a/build.gradle b/build.gradle
index 5436ace641..effc13b65e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-	ext.kotlinVersion = '1.2.40'
+	ext.kotlinVersion = '1.2.41'
 	repositories {
 		maven { url 'https://repo.spring.io/plugins-release' }
 	}
@@ -8,6 +8,7 @@ buildscript {
 		classpath 'org.asciidoctor:asciidoctor-gradle-plugin:1.5.3'
 		classpath 'me.champeau.gradle:gradle-javadoc-hotfix-plugin:0.1'
 		classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
+		classpath "org.jetbrains.kotlin:kotlin-allopen:$kotlinVersion"
 	}
 }
 
@@ -236,6 +237,7 @@ project('spring-rabbit') {
 	description = 'Spring RabbitMQ Support'
 
 	apply plugin: 'kotlin'
+	apply plugin: 'kotlin-spring'
 
 	dependencies {
 
diff --git a/spring-rabbit/src/test/kotlin/org/springframework/amqp/rabbit/annotation/EnableRabbitKotlinTests.kt b/spring-rabbit/src/test/kotlin/org/springframework/amqp/rabbit/annotation/EnableRabbitKotlinTests.kt
index 355718800d..a122e04b00 100644
--- a/spring-rabbit/src/test/kotlin/org/springframework/amqp/rabbit/annotation/EnableRabbitKotlinTests.kt
+++ b/spring-rabbit/src/test/kotlin/org/springframework/amqp/rabbit/annotation/EnableRabbitKotlinTests.kt
@@ -57,7 +57,7 @@ class EnableRabbitKotlinTests {
 
 	@Configuration
 	@EnableRabbit
-	open class Config {
+	class Config {
 
 		val latch = CountDownLatch(1)
 
@@ -67,17 +67,18 @@ class EnableRabbitKotlinTests {
 		}
 
 		@Bean
-		open fun rabbitListenerContainerFactory(cf: CachingConnectionFactory): SimpleRabbitListenerContainerFactory {
+		fun rabbitListenerContainerFactory(cf: CachingConnectionFactory): SimpleRabbitListenerContainerFactory {
 			val factory = SimpleRabbitListenerContainerFactory()
 			factory.setConnectionFactory(cf)
 			return factory
 		}
 
 		@Bean
-		open fun cf(): CachingConnectionFactory {
+		fun cf(): CachingConnectionFactory {
 			return CachingConnectionFactory(
 					RabbitAvailableCondition.getBrokerRunning().connectionFactory)
 		}
+
 	}
 
 }