diff --git a/build.gradle.kts b/build.gradle.kts
index dc5dd84..87e3276 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -66,7 +66,7 @@ dependencies {
 //    implementation("com.github.fge:json-schema-validator:2.2.6")
 
   testImplementation("org.jetbrains.kotlin:kotlin-test-junit5:${libs.versions.kotlin.get()}")
-  testImplementation("io.kotest:kotest-runner-junit5:5.9.1")
+  testImplementation("io.kotest:kotest-runner-junit5:6.0.0")
   testRuntimeOnly("org.junit.platform:junit-platform-launcher:1.13.4")
 }