diff --git a/README.md b/README.md
index 6c6f81c..99b62f2 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,7 @@ Nix files:
 - `configuration.nix` : This is the main file for the base system including some applications that I use
 - `plasma.nix` : This file is for the desktop, login manager and other KDE applications
 - `programs.nix` : This file adds applications like Slack, Discord and virt-manager including turning on the services
+- `unstable.nix` : This file has the applications that need to be from unstable to work like ProtonVPN software
 
 Plasma files: