diff --git a/fuel-kotlinx-serialization/build.gradle.kts b/fuel-kotlinx-serialization/build.gradle.kts
index 91512589..1c451c2c 100644
--- a/fuel-kotlinx-serialization/build.gradle.kts
+++ b/fuel-kotlinx-serialization/build.gradle.kts
@@ -4,7 +4,7 @@ import org.jetbrains.kotlin.gradle.targets.js.dsl.ExperimentalWasmDsl
 
 plugins {
     kotlin("multiplatform")
-    kotlin("plugin.serialization") version "2.0.20"
+    kotlin("plugin.serialization") version "2.0.21"
     id("publication")
     id("org.jetbrains.kotlinx.kover")
 }