diff --git a/build.gradle.kts b/build.gradle.kts
index d99666b..3a67373 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -55,7 +55,7 @@ dependencies {
     implementation(kotlin("scripting-compiler-embeddable"))
 
     // Use the kotlin test library
-    testImplementation("io.kotest:kotest-assertions-core:5.8.1")
+    testImplementation("io.kotest:kotest-assertions-core:5.9.0")
     testImplementation("io.kotest:kotest-runner-junit5:5.8.1")
 
     // import kotlinx serialization