diff --git a/jdsl/build.gradle.kts b/jdsl/build.gradle.kts
index df6fb7e..e02525a 100644
--- a/jdsl/build.gradle.kts
+++ b/jdsl/build.gradle.kts
@@ -44,7 +44,7 @@ dependencies {
     testImplementation("org.junit.jupiter:junit-jupiter-api")
     testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine")
 
-    val kotest = "5.6.2"
+    val kotest = "5.9.1"
     testImplementation("io.kotest:kotest-runner-junit5:$kotest")
     testImplementation("io.kotest:kotest-assertions-core-jvm:$kotest")
     testImplementation("io.kotest:kotest-assertions-json-jvm:$kotest")