diff --git a/README.md b/README.md
index 0eafc90..c2e7bdc 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,7 @@ _Being an adminstrative tool written in Django for <https://tilde.town>_.
 
  * Python 3.5+
  * PostgreSQL 9+
+ * Ubuntu or Debian
  
 ## Installation / setup