diff --git a/octoprint_enclosure/__init__.py b/octoprint_enclosure/__init__.py
index f74aff4..863e038 100644
--- a/octoprint_enclosure/__init__.py
+++ b/octoprint_enclosure/__init__.py
@@ -1857,6 +1857,7 @@ class EnclosurePlugin(octoprint.plugin.StartupPlugin, octoprint.plugin.TemplateP
 
 
 __plugin_name__ = "Enclosure Plugin"
+__plugin_pythoncompat__ = ">=2.7,<4"
 
 
 def __plugin_load__():