diff --git a/kotest-extensions-ktor-openapi-plugin/build.gradle.kts b/kotest-extensions-ktor-openapi-plugin/build.gradle.kts
index fb9ce65..631123a 100644
--- a/kotest-extensions-ktor-openapi-plugin/build.gradle.kts
+++ b/kotest-extensions-ktor-openapi-plugin/build.gradle.kts
@@ -26,7 +26,7 @@ dependencies {
    implementation("io.kotest:kotest-framework-engine:5.5.5")
    testImplementation("io.ktor:ktor-client-apache:2.2.4")
    testImplementation("io.kotest:kotest-runner-junit5:5.5.5")
-   testImplementation("io.kotest:kotest-assertions-core:5.5.5")
+   testImplementation("io.kotest:kotest-assertions-core:5.8.1")
    testImplementation("io.ktor:ktor-server-test-host:2.2.4")
    testImplementation("io.ktor:ktor-serialization-jackson:2.2.4")
    testImplementation("io.ktor:ktor-server-content-negotiation:2.2.4")