diff --git a/pom.xml b/pom.xml
index 6815151d5..898a8fd8a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -70,7 +70,7 @@
     <morphia.version>1.3.2</morphia.version>
     <jmh.version>1.32</jmh.version>
     <hamcrest.veresion>2.2</hamcrest.veresion>
-    <kotlin.version>1.5.20</kotlin.version>
+    <kotlin.version>1.5.21</kotlin.version>
     <dokka.version>1.5.0</dokka.version>
 
     <!-- Import-Package definitions for maven-bundle-plugin -->
diff --git a/querydsl-examples/querydsl-example-kotlin-codegen/pom.xml b/querydsl-examples/querydsl-example-kotlin-codegen/pom.xml
index c6dbb417d..81f8cb3fd 100644
--- a/querydsl-examples/querydsl-example-kotlin-codegen/pom.xml
+++ b/querydsl-examples/querydsl-example-kotlin-codegen/pom.xml
@@ -12,7 +12,7 @@
     <name>Querydsl example - Kotlin Codegen</name>
 
     <properties>
-        <kotlin.version>1.5.20</kotlin.version>
+        <kotlin.version>1.5.21</kotlin.version>
     </properties>
 
     <dependencies>
diff --git a/querydsl-examples/querydsl-example-kotlin-jpa/pom.xml b/querydsl-examples/querydsl-example-kotlin-jpa/pom.xml
index 3a3578272..0aae9b4c4 100644
--- a/querydsl-examples/querydsl-example-kotlin-jpa/pom.xml
+++ b/querydsl-examples/querydsl-example-kotlin-jpa/pom.xml
@@ -12,7 +12,7 @@
     <name>Querydsl example - Kotlin JPA</name>
 
     <properties>
-        <kotlin.version>1.5.20</kotlin.version>
+        <kotlin.version>1.5.21</kotlin.version>
     </properties>
 
     <dependencies>
diff --git a/querydsl-examples/querydsl-example-kotlin-mongodb/pom.xml b/querydsl-examples/querydsl-example-kotlin-mongodb/pom.xml
index 642f048b7..0e9e03abd 100644
--- a/querydsl-examples/querydsl-example-kotlin-mongodb/pom.xml
+++ b/querydsl-examples/querydsl-example-kotlin-mongodb/pom.xml
@@ -12,7 +12,7 @@
     <name>Querydsl example - Kotlin MongoDB</name>
 
     <properties>
-        <kotlin.version>1.5.20</kotlin.version>
+        <kotlin.version>1.5.21</kotlin.version>
     </properties>