diff --git a/gradle-plugin/build.gradle b/gradle-plugin/build.gradle
index 392ba19..2a42346 100644
--- a/gradle-plugin/build.gradle
+++ b/gradle-plugin/build.gradle
@@ -51,7 +51,7 @@ dependencies {
   implementation "com.google.guava:guava:${guavaVersion}"
   implementation "com.google.code.gson:gson:${gsonVersion}"
 
-  implementation "net.sourceforge.plantuml:plantuml:1.2023.10"
+  implementation "net.sourceforge.plantuml:plantuml:1.2023.11"
   implementation "org.apache.commons:commons-lang3:3.11"
 
   testImplementation gradleTestKit()