diff --git a/pom.xml b/pom.xml
index e6fe6f6..de4558e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
     <maven.compiler.target>${java.version}</maven.compiler.target>
     <spring-boot.version>3.3.4</spring-boot.version>
     <!-- can un-comment to resolve deps conflict from spring when happened -->
-    <kotlin.version>2.0.20</kotlin.version>
+    <kotlin.version>2.0.21</kotlin.version>
     <kotlin.compiler.jvmTarget>${java.version}</kotlin.compiler.jvmTarget>
     <!-- can un-comment to resolve deps conflict from spring when happened -->
     <!--<kotlin-coroutines.version>1.6.4</kotlin-coroutines.version>-->