diff --git a/README.md b/README.md
index 4adc8d00..8c17a73e 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ Initially I developed a plugin for NetBeans IDE then the IntellijIDEA plugin was
 __1.6.4 (SNAPSHOT)__
 - IJ:  "Knowledge folders" pane removed [#116](https://github.com/raydac/netbeans-mmd-plugin/issues/116)
 - SR:  improved rendering of KafkaStreams topology
-- SR:  PlantUML updated to 1.2023.9
+- SR:  PlantUML updated to 1.2023.10
 - SR:  improved full-screen activation
 
 __1.6.3 (23-apr-2023)__
diff --git a/changelog.txt b/changelog.txt
index 7a5961dc..bc31cf38 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,7 +1,7 @@
 __1.6.4 (SNAPSHOT)__
 - IJ:  "Knowledge folders" pane removed [#116](https://github.com/raydac/netbeans-mmd-plugin/issues/116)
 - SR:  improved KafkaStreams topology rendering
-- SR:  PlantUML updated to 1.2023.9
+- SR:  PlantUML updated to 1.2023.10
 - SR:  improved full-screen activation
 
 __1.6.3 (23-apr-2023)__
diff --git a/mind-map/pom.xml b/mind-map/pom.xml
index ed00b11d..458a22d9 100644
--- a/mind-map/pom.xml
+++ b/mind-map/pom.xml
@@ -12,7 +12,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <elk.version>0.8.1</elk.version>
-        <plantuml.version>1.2023.9</plantuml.version>
+        <plantuml.version>1.2023.10</plantuml.version>
     </properties>
 
     <modules>