diff --git a/pom.xml b/pom.xml
index 08091f0..e838ab4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -57,7 +57,7 @@
         <jersey.version>2.35</jersey.version>
         <junit-jupiter.version>5.8.1</junit-jupiter.version>
         <junitparams.version>1.1.1</junitparams.version>
-        <kotlin.version>1.6.20</kotlin.version>
+        <kotlin.version>1.6.21</kotlin.version>
         <log.version>1.1.1</log.version>
         <logback-classic.version>1.2.7</logback-classic.version>
         <maven-compiler.version>3.8.1</maven-compiler.version>