diff --git a/runtime/pom.xml b/runtime/pom.xml
index c5acf5f..d871bbc 100644
--- a/runtime/pom.xml
+++ b/runtime/pom.xml
@@ -16,7 +16,7 @@
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <uml.version>1.2.5</uml.version>
-        <plantuml.version>1.2019.5</plantuml.version>
+        <plantuml.version>1.2023.9</plantuml.version>
     </properties>