diff --git a/allocation-benchmark/build.gradle.kts b/allocation-benchmark/build.gradle.kts
index fd57edd..95cacf8 100644
--- a/allocation-benchmark/build.gradle.kts
+++ b/allocation-benchmark/build.gradle.kts
@@ -5,8 +5,8 @@ val junit_version: String by project
 val serialization_version: String by project
 
 plugins {
-    kotlin("jvm") version "1.9.10"
-    kotlin("plugin.serialization") version "1.9.10"
+    kotlin("jvm") version "1.9.30-station-874"
+    kotlin("plugin.serialization") version "1.9.30-station-874"
 }
 
 group = "io.ktor"
diff --git a/benchmark-server/build.gradle.kts b/benchmark-server/build.gradle.kts
index 2fd4546..747dab5 100644
--- a/benchmark-server/build.gradle.kts
+++ b/benchmark-server/build.gradle.kts
@@ -1,5 +1,5 @@
 plugins {
-    kotlin("jvm") version "1.7.10"
+    kotlin("jvm") version "1.9.30-station-874"
 }
 
 val ktor_version: String by project.extra
diff --git a/client-benchmarks/build.gradle.kts b/client-benchmarks/build.gradle.kts
index ae4f279..d70a9ef 100644
--- a/client-benchmarks/build.gradle.kts
+++ b/client-benchmarks/build.gradle.kts
@@ -1,5 +1,5 @@
 plugins {
-    kotlin("jvm") version "1.7.10"
+    kotlin("jvm") version "1.9.30-station-874"
 }
 
 group = "org.example"
diff --git a/io-benchmarks/build.gradle.kts b/io-benchmarks/build.gradle.kts
index d9b4b86..d7da9b2 100644
--- a/io-benchmarks/build.gradle.kts
+++ b/io-benchmarks/build.gradle.kts
@@ -6,8 +6,8 @@ buildscript {
 }
 
 plugins {
-    kotlin("jvm") version "1.7.10"
-    id("org.jetbrains.kotlin.plugin.allopen") version "1.7.10"
+    kotlin("jvm") version "1.9.30-station-874"
+    id("org.jetbrains.kotlin.plugin.allopen") version "1.9.24-785"
     id("me.champeau.jmh") version "0.6.7"
 }
 
diff --git a/server-benchmarks/build.gradle.kts b/server-benchmarks/build.gradle.kts
index 490074d..a7976e3 100644
--- a/server-benchmarks/build.gradle.kts
+++ b/server-benchmarks/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
-    kotlin("jvm") version "1.4.32"
-    id("org.jetbrains.kotlin.plugin.allopen") version "1.4.32"
+    kotlin("jvm") version "1.9.30-station-874"
+    id("org.jetbrains.kotlin.plugin.allopen") version "1.9.24-785"
     id("me.champeau.gradle.jmh") version "0.5.3"
 }
 
diff --git a/utils-benchmarks/build.gradle.kts b/utils-benchmarks/build.gradle.kts
index 6105831..63393cd 100644
--- a/utils-benchmarks/build.gradle.kts
+++ b/utils-benchmarks/build.gradle.kts
@@ -5,9 +5,9 @@ buildscript {
 }
 
 plugins {
-    kotlin("jvm") version "1.5.21"
-    id("org.jetbrains.kotlin.plugin.allopen") version "1.5.21"
-    kotlin("plugin.serialization") version "1.5.21"
+    kotlin("jvm") version "1.9.30-station-874"
+    id("org.jetbrains.kotlin.plugin.allopen") version "1.9.24-785"
+    kotlin("plugin.serialization") version "1.9.30-station-874"
     id("me.champeau.jmh") version "0.6.5"
 }