diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7ec3840..534560d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 
 ### Changed
 - Dependencies - upgrade `org.jetbrains.intellij` to `1.13.3`
+- Dependencies - upgrade `org.jetbrains.kotlin.jvm` to `1.8.20`
 - Remove `UnusedProperty` suppression in `gradle.properties` file
 
 ## [1.5.0] - 2023-03-10
diff --git a/build.gradle.kts b/build.gradle.kts
index 197da85..d5a0985 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -8,7 +8,7 @@ plugins {
     // Java support
     id("java")
     // Kotlin support
-    id("org.jetbrains.kotlin.jvm") version "1.8.10"
+    id("org.jetbrains.kotlin.jvm") version "1.8.20"
     // Gradle IntelliJ Plugin
     id("org.jetbrains.intellij") version "1.13.3"
     // Gradle Changelog Plugin