diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index fb870bc..385fe55 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -21,7 +21,7 @@ object Dependencies {
   val logbackClassic = "ch.qos.logback" % "logback-classic" % "1.5.32"
   val scalaLogging = "com.typesafe.scala-logging" %% "scala-logging" % "3.9.6"
 
-  val plantuml = "net.sourceforge.plantuml" % "plantuml" % "1.2026.2"
+  val plantuml = "net.sourceforge.plantuml" % "plantuml" % "1.2026.4"
 
   val javafxWeb = "org.openjfx" % "javafx-web" % "23.0.2"