diff --git a/README.md b/README.md
index 8abaab9d..d359d89c 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 [![Made with Doom Emacs](https://img.shields.io/badge/Made_with-Doom_Emacs-blueviolet.svg?style=flat-square&logo=GNU%20Emacs&logoColor=white)](https://github.com/hlissner/doom-emacs)
-[![NixOS 20.09](https://img.shields.io/badge/NixOS-v20.09-blue.svg?style=flat-square&logo=NixOS&logoColor=white)](https://nixos.org)
+[![NixOS 21.03](https://img.shields.io/badge/NixOS-v21.03-blue.svg?style=flat-square&logo=NixOS&logoColor=white)](https://nixos.org)
 
 **Hey,** you. You're finally awake. You were trying to configure your OS declaratively, right? Walked right into that NixOS ambush, same as us, and those dotfiles over there.
 
@@ -28,7 +28,7 @@
 
 ## Quick start
 
-1. Yoink the latest stable build of [NixOS 20.09][nixos].
+1. Yoink the latest build of [NixOS 21.03][nixos].
 2. Boot into the installer.
 3. Do your partitions and mount your root to `/mnt` ([for example](hosts/kuro/README.org))
 4. Install these dotfiles:
@@ -99,5 +99,5 @@ And I say, `bin/hey`. [What's going on?](http://hemansings.com/)
 
 [doom-emacs]: https://github.com/hlissner/doom-emacs
 [vim]: https://github.com/hlissner/.vim
-[nixos]: https://releases.nixos.org/?prefix=nixos/20.09-small/
+[nixos]: https://releases.nixos.org/?prefix=nixos/unstable/
 [host/kuro]: https://github.com/hlissner/dotfiles/tree/master/hosts/kuro