diff --git a/pom.xml b/pom.xml
index b3b9e62..6dad5a7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -299,7 +299,7 @@
           <!-- javadoc for kotlin -->
           <groupId>org.jetbrains.dokka</groupId>
           <artifactId>dokka-maven-plugin</artifactId>
-          <version>1.6.20</version>
+          <version>1.6.21</version>
           <executions>
             <execution>
               <phase>test</phase>