diff --git a/agents/agent-koog/composeApp/build.gradle.kts b/agents/agent-koog/composeApp/build.gradle.kts
index 56ffbcde..0c65a48e 100644
--- a/agents/agent-koog/composeApp/build.gradle.kts
+++ b/agents/agent-koog/composeApp/build.gradle.kts
@@ -8,7 +8,7 @@ plugins {
     alias(libs.plugins.composeCompiler)
 
     // Add Kotlin serialization plugin for Koog API support
-    kotlin("plugin.serialization") version "2.2.0"
+    kotlin("plugin.serialization") version "2.3.0"
 }
 
 kotlin {
diff --git a/agents/agent-koog/gradle/libs.versions.toml b/agents/agent-koog/gradle/libs.versions.toml
index 03aa58f6..97393e2b 100644
--- a/agents/agent-koog/gradle/libs.versions.toml
+++ b/agents/agent-koog/gradle/libs.versions.toml
@@ -12,7 +12,7 @@ androidx-testExt = "1.3.0"
 composeMultiplatform = "1.9.3"
 junit = "4.13.2"
 koogAgents = "0.5.4"
-kotlin = "2.2.21"
+kotlin = "2.3.0"
 logbackAndroid = "3.0.0"
 materialIconsCore = "1.7.8"
 opentelemetryExporterOtlp = "1.57.0"