diff --git a/instrumentation/ktor/ktor-1.0/library/build.gradle.kts b/instrumentation/ktor/ktor-1.0/library/build.gradle.kts
index eebab4319ca9..31aea2c1011d 100644
--- a/instrumentation/ktor/ktor-1.0/library/build.gradle.kts
+++ b/instrumentation/ktor/ktor-1.0/library/build.gradle.kts
@@ -27,7 +27,7 @@ kotlin {
   compilerOptions {
     jvmTarget.set(JvmTarget.JVM_1_8)
     @Suppress("deprecation")
-    languageVersion.set(KotlinVersion.KOTLIN_1_4)
+    languageVersion.set(KotlinVersion.KOTLIN_1_6)
   }
 }
 
diff --git a/instrumentation/ktor/ktor-2-common/library/build.gradle.kts b/instrumentation/ktor/ktor-2-common/library/build.gradle.kts
index 03206ba46b59..2c2f131fd3fc 100644
--- a/instrumentation/ktor/ktor-2-common/library/build.gradle.kts
+++ b/instrumentation/ktor/ktor-2-common/library/build.gradle.kts
@@ -17,6 +17,6 @@ kotlin {
   compilerOptions {
     jvmTarget.set(JvmTarget.JVM_1_8)
     @Suppress("deprecation")
-    languageVersion.set(KotlinVersion.KOTLIN_1_4)
+    languageVersion.set(KotlinVersion.KOTLIN_1_6)
   }
 }
diff --git a/instrumentation/ktor/ktor-common/library/build.gradle.kts b/instrumentation/ktor/ktor-common/library/build.gradle.kts
index e56b2eb54779..a63d4c42469d 100644
--- a/instrumentation/ktor/ktor-common/library/build.gradle.kts
+++ b/instrumentation/ktor/ktor-common/library/build.gradle.kts
@@ -15,6 +15,6 @@ kotlin {
   compilerOptions {
     jvmTarget.set(JvmTarget.JVM_1_8)
     @Suppress("deprecation")
-    languageVersion.set(KotlinVersion.KOTLIN_1_4)
+    languageVersion.set(KotlinVersion.KOTLIN_1_6)
   }
 }
diff --git a/settings.gradle.kts b/settings.gradle.kts
index aa3dabeccf14..370ab39ce8c6 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -4,7 +4,7 @@ pluginManagement {
     id("com.google.cloud.tools.jib") version "3.4.4"
     id("com.gradle.plugin-publish") version "1.3.0"
     id("io.github.gradle-nexus.publish-plugin") version "2.0.0"
-    id("org.jetbrains.kotlin.jvm") version "2.0.21"
+    id("org.jetbrains.kotlin.jvm") version "2.1.0"
     id("org.xbib.gradle.plugin.jflex") version "3.0.2"
     id("org.unbroken-dome.xjc") version "2.0.0"
     // See https://github.com/graalvm/native-build-tools/issues/626