diff --git a/pom.xml b/pom.xml
index 41c89ae..f84b41d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -74,7 +74,7 @@
 
         <!-- plantuml -->
         <version.plantuml-maven-plugin>1.5.2</version.plantuml-maven-plugin>
-        <version.net.sourceforge.plantuml>1.2022.14</version.net.sourceforge.plantuml>
+        <version.net.sourceforge.plantuml>1.2023.7</version.net.sourceforge.plantuml>
 
         <!-- general -->
         <version.log4j>2.17.2</version.log4j>