diff --git a/build.gradle b/build.gradle
index b68f2fd..48e5e12 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,6 @@
 buildscript {
     ext {
-        kotlin_version = "1.9.20"
+        kotlin_version = "1.9.21"
         rabbitmq_java_client_version = "5.20.0"
         junit_jupiter_version = "5.10.1"
         testcontainers_version = "1.19.2"