diff --git a/CHANGELOG.md b/CHANGELOG.md
index facc8cbdb4..3ac3ddb7b2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,7 +10,7 @@ Update dependencies:
  - [#635](https://github.com/influxdata/influxdb-client-java/pull/635): `spring-boot` to `2.7.17`
  - [#625](https://github.com/influxdata/influxdb-client-java/pull/625): `lombok` to `1.18.30`
  - [#629](https://github.com/influxdata/influxdb-client-java/pull/629): `karaf` to `4.4.4`
- - [#617](https://github.com/influxdata/influxdb-client-java/pull/617): `kotlin` to `1.9.10`
+ - [#634](https://github.com/influxdata/influxdb-client-java/pull/634): `kotlin` to `1.9.20`
  - [#542](https://github.com/influxdata/influxdb-client-java/pull/542): `okhttp` to `4.11.0`
  - [#630](https://github.com/influxdata/influxdb-client-java/pull/630): `okio` to `3.6.0`
 
diff --git a/pom.xml b/pom.xml
index 9da5f544c5..a4a958bf8b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -122,7 +122,7 @@
         <plugin.scala.version>4.8.1</plugin.scala.version>
 
         <akka.version>2.6.21</akka.version>
-        <kotlin.version>1.9.10</kotlin.version>
+        <kotlin.version>1.9.20</kotlin.version>
         <junit-jupiter.version>5.9.1</junit-jupiter.version>
         <kotlin-coroutines.version>1.7.3</kotlin-coroutines.version>
         <mockito.version>4.10.0</mockito.version>