diff --git a/README.org b/README.org
index 5d82969..ab05d81 100644
--- a/README.org
+++ b/README.org
@@ -945,4 +945,5 @@ Doom's packages are pinned to a specific commit and updated from release to rele
 (package! pkgbuild-mode)
 (package! lua-mode)
 (package! just-mode)
+(package! nix-mode)
 #+END_SRC
diff --git a/packages.el b/packages.el
index 58e564c..adda53a 100644
--- a/packages.el
+++ b/packages.el
@@ -10,3 +10,4 @@
 (package! pkgbuild-mode)
 (package! lua-mode)
 (package! just-mode)
+(package! nix-mode)