diff --git a/modules/spring-web-test-client-kotlin-extensions/pom.xml b/modules/spring-web-test-client-kotlin-extensions/pom.xml
index 6620bc03f..c04b6ddaa 100644
--- a/modules/spring-web-test-client-kotlin-extensions/pom.xml
+++ b/modules/spring-web-test-client-kotlin-extensions/pom.xml
@@ -135,7 +135,7 @@
-Xjsr305=strict
- 17
+ 1.8