diff --git a/kotlin-querybean-generator/pom.xml b/kotlin-querybean-generator/pom.xml
index a5c53e5fa..f3e6b89bd 100644
--- a/kotlin-querybean-generator/pom.xml
+++ b/kotlin-querybean-generator/pom.xml
@@ -12,7 +12,7 @@
   <artifactId>kotlin-querybean-generator</artifactId>
 
   <properties>
-    <kotlin.version>1.4.10</kotlin.version>
+    <kotlin.version>1.4.21</kotlin.version>
   </properties>
 
   <dependencies>