diff --git a/README.md b/README.md
index 78c7a02..0ba1068 100644
--- a/README.md
+++ b/README.md
@@ -105,6 +105,19 @@ cd /mnt
 sudo nixos-install
 ```
 
+## how to install updates
+
+```bash
+# update flakes
+nix flake update
+
+# rebuild system
+sudo nixos-rebuild switch --flake ~/git/nixconfig#default
+
+# update home-manager files
+home-manager switch --flake ~/git/nixconfig/
+```
+
 ## author
 
 aaron <aaron@0x29a.ch>