diff --git a/kmolecules-ddd/pom.xml b/kmolecules-ddd/pom.xml
index 1bb2ea7..4665fc7 100644
--- a/kmolecules-ddd/pom.xml
+++ b/kmolecules-ddd/pom.xml
@@ -15,6 +15,7 @@
 
 	<properties>
 		<module.name>org.kmolecules.ddd</module.name>
+		<dokka.version>1.8.20</dokka.version>
 	</properties>
 
 	<dependencies>
@@ -64,7 +65,7 @@
 					<plugin>
 						<groupId>org.jetbrains.dokka</groupId>
 						<artifactId>dokka-maven-plugin</artifactId>
-						<version>${kotlin.version}</version>
+						<version>${dokka.version}</version>
 						<executions>
 							<execution>
 								<phase>package</phase>
diff --git a/pom.xml b/pom.xml
index 24ad560..353a1bb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<assertj.version>3.20.2</assertj.version>
 		<junit.version>5.7.2</junit.version>
-		<kotlin.version>1.6.21</kotlin.version>
+		<kotlin.version>1.8.22</kotlin.version>
 	</properties>
 
 	<licenses>