diff --git a/core/spring-cloud-stream-integration-tests/pom.xml b/core/spring-cloud-stream-integration-tests/pom.xml
index 54f92757e..f124b0e87 100644
--- a/core/spring-cloud-stream-integration-tests/pom.xml
+++ b/core/spring-cloud-stream-integration-tests/pom.xml
@@ -43,9 +43,13 @@
 		<dependency>
 			<groupId>org.jetbrains.kotlin</groupId>
 			<artifactId>kotlin-test</artifactId>
-<!--			<version>${kotlin.version}</version>-->
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.jetbrains.kotlin</groupId>
+			<artifactId>kotlin-stdlib-jdk8</artifactId>
+			<optional>true</optional>
+		</dependency>
 	</dependencies>
 
 	<build>