diff --git a/README.md b/README.md
index 6ebc2eff..59e2eb43 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ __1.5.0 (SNAPSHOT)__
 - SR: RSyntaxTextPanel updated to 3.1.3, Kotlin syntax support added
 - IJ: fixed incompatibility with Intellij IDEA 2021.2 EAP
 - IJ: __minimal Intellij IDEA platform version lifted up to 2018.1__
-- SR: updated PlantUML version to 1.2021.8
+- SR: updated PlantUML version to 1.2021.9
 - SR: improved processing of MMD files during "Find files for text" [#83](https://github.com/raydac/netbeans-mmd-plugin/issues/83) 
 - SR: Updated Launch4j starter
 
diff --git a/changelog.txt b/changelog.txt
index 9568a58f..90cde0eb 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -3,7 +3,7 @@ __1.5.0 (SNAPSHOT)__
 - SR: RSyntaxTextPanel updated to 3.1.3, Kotlin syntax support added
 - IJ: fixed incompatibility with Intellij IDEA 2021.2 EAP
 - IJ: __minimal Intellij IDEA platform version lifted up to 2018.1__
-- SR: updated PlantUML to 1.2021.8
+- SR: updated PlantUML to 1.2021.9
 - SR: improved processing of MMD files during "Find files for text" [#83](https://github.com/raydac/netbeans-mmd-plugin/issues/83) 
 - SR: Updated Launch4j starter
 
diff --git a/mind-map/scia-reto/pom.xml b/mind-map/scia-reto/pom.xml
index 6d96254c..3cc216f0 100644
--- a/mind-map/scia-reto/pom.xml
+++ b/mind-map/scia-reto/pom.xml
@@ -29,7 +29,7 @@
     <jung.version>2.1.1</jung.version>
     <batik.version>1.14</batik.version>
     <jlatexmath.version>1.0.7</jlatexmath.version>
-    <plantuml.version>1.2021.8</plantuml.version>
+    <plantuml.version>1.2021.9</plantuml.version>
     <rsyntax.version>3.1.3</rsyntax.version>
     <rsyntax.autocomplete.version>3.1.2</rsyntax.autocomplete.version>
     <jna.version>5.8.0</jna.version>