diff --git a/fj-doc-base-kotlin/pom.xml b/fj-doc-base-kotlin/pom.xml
index c46aeff8..8c951170 100644
--- a/fj-doc-base-kotlin/pom.xml
+++ b/fj-doc-base-kotlin/pom.xml
@@ -23,7 +23,7 @@
 	
 	<properties>
 		<fj-script-helper-version>2.0.3</fj-script-helper-version>
-		<kotlin.version>2.1.20</kotlin.version>
+		<kotlin.version>2.1.21</kotlin.version>
 	</properties>
 	
 	<build>
diff --git a/fj-doc-playground-quarkus/pom.xml b/fj-doc-playground-quarkus/pom.xml
index 278d0d34..61ea0da3 100644
--- a/fj-doc-playground-quarkus/pom.xml
+++ b/fj-doc-playground-quarkus/pom.xml
@@ -24,7 +24,7 @@
 		<exec-plugin.version>3.5.0</exec-plugin.version>
 		<antrun-plugin.version>3.1.0</antrun-plugin.version>
 		<fj-service-helper-bom-version>1.4.5</fj-service-helper-bom-version>
-		<kotlin.version>2.1.20</kotlin.version>
+		<kotlin.version>2.1.21</kotlin.version>
 	</properties>
 	<dependencyManagement>
 		<dependencies>
diff --git a/pom.xml b/pom.xml
index 052c6906..d926959f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -34,7 +34,7 @@
 	    <jajarta-jaxb-version>4.0.2</jajarta-jaxb-version>
 	    <jajarta-jaxb-impl-version>4.0.5</jajarta-jaxb-impl-version>
 	    <poi5-version>${poi-version}</poi5-version>
-		<kotlin.version>2.1.20</kotlin.version>
+		<kotlin.version>2.1.21</kotlin.version>
 		<quarkus-version>3.22.3</quarkus-version>
 	</properties>