diff --git a/build.gradle.kts b/build.gradle.kts
index 7bb643d..621fe4e 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -28,7 +28,7 @@ plugins {
     kotlin("multiplatform") version "1.6.21"
     kotlin("plugin.serialization") version "1.4.21"
     id("org.jetbrains.dokka") version "1.4.20"
-    id("io.kotest") version "0.2.6"
+    id("io.kotest") version "0.3.9"
     id("org.jetbrains.kotlinx.kover") version "0.5.0"
 //    jacoco
     id("java-library")