diff --git a/pom.xml b/pom.xml
index f863803..3750b02 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>net.sourceforge.plantuml</groupId>
             <artifactId>plantuml</artifactId>
-            <version>1.2020.4</version>
+            <version>1.2023.9</version>
         </dependency>
     </dependencies>
     <repositories>