diff --git a/modules/lang/nix/config.el b/modules/lang/nix/config.el
index fc69d6727..060a04e38 100644
--- a/modules/lang/nix/config.el
+++ b/modules/lang/nix/config.el
@@ -5,3 +5,7 @@
   :after nix-mode
   :config
   (set-company-backend! 'nix-mode 'company-nixos-options))
+
+(def-package! nix-update
+  :after nix-mode
+  :commands (nix-update-fetch))
diff --git a/modules/lang/nix/packages.el b/modules/lang/nix/packages.el
index 0049acfcb..6cd491c8b 100644
--- a/modules/lang/nix/packages.el
+++ b/modules/lang/nix/packages.el
@@ -2,6 +2,7 @@
 ;;; lang/nix/packages.el
 
 (package! nix-mode)
+(package! nix-update :recipe (:fetcher github :repo "jwiegley/nix-update-el"))
 
 (when (featurep! :completion company)
   (package! company-nixos-options))