diff --git a/parent/pom.xml b/parent/pom.xml
index 9e7d835a..49830bb1 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -112,7 +112,7 @@
 		<!-- Deprecated: Use junit-vintage-engine and JUnit 4 is included as transitive dependency -->
 		<junit>4.13.2</junit>
 		<junit5>5.7.2</junit5>
-		<kotlin>1.5.20</kotlin>
+		<kotlin>1.5.21</kotlin>
 		<kotlin-coroutines>1.4.3</kotlin-coroutines>
 		<logback>1.2.3</logback>
 		<lombok>1.18.20</lombok>