diff --git a/auto-pipeline-examples/build.gradle.kts b/auto-pipeline-examples/build.gradle.kts
index 9cd5af3..80a4f8f 100644
--- a/auto-pipeline-examples/build.gradle.kts
+++ b/auto-pipeline-examples/build.gradle.kts
@@ -28,7 +28,7 @@ dependencies {
      */
     testImplementation(kotlin("test"))
     // https://kotest.io/docs/quickstart
-    val kotestVersion = "5.8.1"
+    val kotestVersion = "5.9.1"
     testImplementation("io.kotest:kotest-runner-junit5-jvm:$kotestVersion")
     testImplementation("io.kotest:kotest-assertions-core-jvm:$kotestVersion")
     testImplementation("io.kotest:kotest-property-jvm:$kotestVersion")