diff --git a/buildSrc/build.gradle.kts b/buildSrc/build.gradle.kts
index 3764e2b..0bb56bd 100644
--- a/buildSrc/build.gradle.kts
+++ b/buildSrc/build.gradle.kts
@@ -12,7 +12,7 @@ object Versions {
   const val jvmTarget = "11"
   const val kotlinTarget = "1.6"
 
-  const val kotlin = "1.6.20"
+  const val kotlin = "1.6.21"
 
   const val gradleNodePlugin = "3.2.1"
   const val gradleDockerComposePlugin = "0.15.1"
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 0ea7317..ce36119 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -6,7 +6,7 @@
 
 ## compilation ##
 jvm        = "11"
-kotlin     = "1.6.20"
+kotlin     = "1.6.21"
 
 ## libs ##
 camel-kafkaConnectors = "0.11.0"