diff --git a/library.properties b/library.properties
index 04418e4..cfae5f4 100644
--- a/library.properties
+++ b/library.properties
@@ -4,5 +4,6 @@ author=Markus Sattler
 maintainer=Markus Sattler 
 sentence=WebSockets for Arduino (Server + Client)
 paragraph=
+category=Communication
 url=https://github.com/Links2004/arduinoWebSockets
 architectures=*