diff --git a/pom.xml b/pom.xml
index dceaa6e..d7666e6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -51,6 +51,7 @@
 
   <properties>
     <kotlin.code.style>official</kotlin.code.style>
+    <kotlin.compiler.jvmTarget>1.8</kotlin.compiler.jvmTarget>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   </properties>