diff --git a/pom.xml b/pom.xml
index 1a0fc43..0d29000 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
     <version>1.3.2</version>
 
     <properties>
-        <kotlin.version>1.4.21-2</kotlin.version>
+        <kotlin.version>1.5.20</kotlin.version>
     </properties>
 
     <build>