diff --git a/pom.xml b/pom.xml
index 8a13de1..e1374e6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,12 +21,12 @@
         <dependency>
             <groupId>org.openjfx</groupId>
             <artifactId>javafx-controls</artifactId>
-            <version>20.0.1</version>
+            <version>21.0.2</version>
         </dependency>
         <dependency>
             <groupId>org.openjfx</groupId>
             <artifactId>javafx-fxml</artifactId>
-            <version>20.0.1</version>
+            <version>21.0.2</version>
         </dependency>
         <dependency>
             <groupId>org.controlsfx</groupId>
@@ -112,11 +112,20 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
-                <version>3.6.0</version>
+                <version>3.6.3</version>
                 <configuration>
+                    <source>21</source>
+                    <release>21</release>
+                    <author>true</author>
+                    <doclint>all,-missing</doclint>
                     <reportOutputDirectory>${project.basedir}</reportOutputDirectory>
                     <sourcepath>src/main/java</sourcepath>
                     <destDir>javadoc_build</destDir>
+                    <tags>
+                        <tag>
+                            <name>implSpec</name>
+                        </tag>
+                    </tags>
                 </configuration>
             </plugin>
         </plugins>