diff --git a/build.gradle.kts b/build.gradle.kts
index 5313a86..6268ec8 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -9,7 +9,7 @@ plugins {
     id("com.diffplug.spotless") version "6.22.0"
     id("com.github.jakemarsden.git-hooks") version "0.0.2"
     id("io.github.platan.tests-execution-chart") version "0.6.0"
-    kotlin("plugin.serialization") version "1.9.10"
+    kotlin("plugin.serialization") version "1.9.20"
     id("pl.allegro.tech.build.axion-release") version "1.15.5"
     id("com.github.ben-manes.versions") version "0.49.0"
     id("io.github.gradle-nexus.publish-plugin") version "2.0.0-rc-1"
diff --git a/tests-execution-chart-commons/build.gradle.kts b/tests-execution-chart-commons/build.gradle.kts
index 0862687..069f9da 100644
--- a/tests-execution-chart-commons/build.gradle.kts
+++ b/tests-execution-chart-commons/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     id("org.jetbrains.kotlin.jvm") version "1.9.10"
-    kotlin("plugin.serialization") version "1.9.10"
+    kotlin("plugin.serialization") version "1.9.20"
     `maven-publish`
     id("org.jetbrains.kotlinx.kover") version "0.7.4"
     signing