diff --git a/en-diagram/pom.xml b/en-diagram/pom.xml
index 91415f2..05d188a 100644
--- a/en-diagram/pom.xml
+++ b/en-diagram/pom.xml
@@ -14,7 +14,7 @@
 	<description>Models and renderers for the programmatic generation of diagrams.</description>
 
 	<properties>
-		<plantuml.version>1.2023.12</plantuml.version>
+		<plantuml.version>1.2026.0</plantuml.version>
 	</properties>
 
 	<dependencies>