diff --git a/junit-jupiter-starter-maven-kotlin/pom.xml b/junit-jupiter-starter-maven-kotlin/pom.xml
index 8e18aeba..e5d73b73 100644
--- a/junit-jupiter-starter-maven-kotlin/pom.xml
+++ b/junit-jupiter-starter-maven-kotlin/pom.xml
@@ -12,6 +12,7 @@
UTF-8
2.2.21
17
+ ${maven.compiler.release}