diff --git a/benchmarks/build.gradle.kts b/benchmarks/build.gradle.kts
index 0d227578..6925d373 100644
--- a/benchmarks/build.gradle.kts
+++ b/benchmarks/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     kotlin("jvm")
-    kotlin("plugin.allopen") version "2.0.21"
+    kotlin("plugin.allopen") version "2.1.0"
     id("org.jetbrains.kotlinx.benchmark") version "0.4.13"
 }
 
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index cd8fa347..0833ecad 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,7 +1,7 @@
 [versions]
 ktor = "3.0.1"
 
-kotlin = "2.0.21"
+kotlin = "2.1.0"
 coroutines = "1.9.0"
 io = "0.6.0"
 datetime = "0.6.1"