diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 85af65c6..94ae9ef2 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -6,7 +6,7 @@ guice = "5.1.0"
 jackson = "2.13.2"
 jimfs = "1.2"
 junit = "5.8.2"
-kotlin = "1.6.20"
+kotlin = "1.6.21"
 kotlinCoroutines = "1.6.1"
 ktor = "1.6.8"
 netty = "4.1.76.Final"
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 0f7652f4..e8a34f43 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -13,7 +13,7 @@ dependencyResolutionManagement {
 
 pluginManagement {
     plugins {
-        kotlin("jvm") version "1.6.20"
+        kotlin("jvm") version "1.6.21"
     }
 }