diff --git a/Readme.md b/Readme.md
index 0990a50..525e574 100644
--- a/Readme.md
+++ b/Readme.md
@@ -4,7 +4,7 @@
 [![jCenter](https://img.shields.io/badge/Apache-2.0-green.svg
 )](https://github.com/Foso/KotlinReactNativeMpp/blob/master/LICENSE)
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat-square)](http://makeapullrequest.com)
-[![jCenter](https://img.shields.io/badge/Kotlin-1.6.20-green.svg
+[![jCenter](https://img.shields.io/badge/Kotlin-1.6.21-green.svg
 )](https://github.com/Foso/Sheasy/blob/master/LICENSE)
 
 
@@ -25,7 +25,7 @@ This is an example project that shows how to create a Kotlin Compiler Plugin. At
 
 ## Usage
 
-> :information_source: Please be aware that the Kotlin Compiler still doesn’t have any stable API and there is no backwards compatibility guaranteed. Kotlin versions above 1.6.0 can have a totally different API.
+> :information_source: Please be aware that the Kotlin Compiler still doesn’t have any stable API and there is no backwards compatibility guaranteed. Kotlin versions above 1.6.21 can have a totally different API.
 
 * Inside the project folder run ` ./gradlew clean build` 
 
diff --git a/build.gradle b/build.gradle
index 0b55d0e..f49cca1 100644
--- a/build.gradle
+++ b/build.gradle
@@ -13,7 +13,7 @@ buildscript {
     }
 }
 plugins {
-    id 'org.jetbrains.kotlin.multiplatform' version '1.6.20'
+    id 'org.jetbrains.kotlin.multiplatform' version '1.6.21'
 }
 apply plugin: 'compiler.gradleplugin.helloworld'
 
diff --git a/buildSrc/build.gradle b/buildSrc/build.gradle
index b30eabb..de0b05f 100644
--- a/buildSrc/build.gradle
+++ b/buildSrc/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id 'org.jetbrains.kotlin.jvm' version '1.6.20'
+    id 'org.jetbrains.kotlin.jvm' version '1.6.21'
 }
 
 allprojects {
diff --git a/buildSrc/compiler-plugin/gradle-plugin/build.gradle b/buildSrc/compiler-plugin/gradle-plugin/build.gradle
index 4693aa4..4f85798 100644
--- a/buildSrc/compiler-plugin/gradle-plugin/build.gradle
+++ b/buildSrc/compiler-plugin/gradle-plugin/build.gradle
@@ -23,7 +23,7 @@ gradlePlugin {
 }
 
 dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-gradle-plugin-api:1.6.20"
+    implementation "org.jetbrains.kotlin:kotlin-gradle-plugin-api:1.6.21"
 }