diff --git a/pom.xml b/pom.xml
index 633ecfb..2178217 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
     <artifactId>sypht-kotlin-client</artifactId>
     <version>1.1</version>
     <properties>
-        <kotlin.version>1.3.50</kotlin.version>
+        <kotlin.version>1.6.0</kotlin.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>