diff --git a/diagram/plantuml.1.2018.1.jar b/diagram/plantuml.1.2018.1.jar
deleted file mode 100644
index 0e67f88..0000000
Binary files a/diagram/plantuml.1.2018.1.jar and /dev/null differ
diff --git a/diagram/plantuml.1.2022.5.jar b/diagram/plantuml.1.2022.5.jar
new file mode 100644
index 0000000..d19eb7c
Binary files /dev/null and b/diagram/plantuml.1.2022.5.jar differ
diff --git a/diagram/plantuml.py b/diagram/plantuml.py
index cff4b09..4e5855d 100755
--- a/diagram/plantuml.py
+++ b/diagram/plantuml.py
@@ -109,8 +109,8 @@ def _generate(self):
 
 class PlantUMLProcessor(BaseProcessor):
     DIAGRAM_CLASS = PlantUMLDiagram
-    PLANTUML_VERSION = '1.2018.1'
-    PLANTUML_VERSION_STRING = 'PlantUML version 1.2018.01'
+    PLANTUML_VERSION = '1.2022.5'
+    PLANTUML_VERSION_STRING = 'PlantUML version 1.2022.5'
 
     def load(self):
         self.check_dependencies()