diff --git a/build.gradle b/build.gradle
index 125d2ed..aa788a4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,7 +14,7 @@ configurations {
 }
 
 dependencies {
-    dockerDeps 'net.sourceforge.plantuml:plantuml:1.2023.1'
+    dockerDeps 'net.sourceforge.plantuml:plantuml:1.2023.6'
 }
 
 task getDockerDeps(type: Copy) {