diff --git a/default.nix b/default.nix
index efa0d59..a45f28a 100644
--- a/default.nix
+++ b/default.nix
@@ -7,6 +7,7 @@
     config = { };
   }
 , rustVersion ? nixpkgs.rust-bin.stable."1.65.0".default
+, mkdocs-numtide ? import inputs.mkdocs-numtide { pkgs = nixpkgs; }
 }:
 let
   lib = nixpkgs.lib;
@@ -87,8 +88,7 @@ let
       terraform
 
       # Docs
-      mkdocs
-      python310Packages.mkdocs-material
+      mkdocs-numtide
     ]);
   });
 in
@@ -98,9 +98,6 @@ in
   # reduce a bit of repetition
   inherit (treefmt.passthru) withConfig;
 
-  # A collection of packages for the project
-  docs = nixpkgs.callPackage ./docs { };
-
   # Flake attributes
   default = treefmt;
 
diff --git a/docs/assets/favicon.png b/docs/assets/favicon.png
deleted file mode 100644
index 1aeceff..0000000
Binary files a/docs/assets/favicon.png and /dev/null differ
diff --git a/docs/assets/fonts/Eurostile-Roman.ttf b/docs/assets/fonts/Eurostile-Roman.ttf
deleted file mode 100644
index c24127d..0000000
Binary files a/docs/assets/fonts/Eurostile-Roman.ttf and /dev/null differ
diff --git a/docs/assets/logo_numtide.png b/docs/assets/logo_numtide.png
deleted file mode 100644
index 1aeceff..0000000
Binary files a/docs/assets/logo_numtide.png and /dev/null differ
diff --git a/docs/default.nix b/docs/default.nix
deleted file mode 100644
index bf092a0..0000000
--- a/docs/default.nix
+++ /dev/null
@@ -1,30 +0,0 @@
-{ stdenv, mkdocs, python310Packages }:
-
-stdenv.mkDerivation {
-  name = "treefmt-docs";
-
-  src = builtins.path {
-    name = "treefmt-docs";
-    path = ./.;
-  };
-
-  # Re-create the folder structure since mkdocs insists on having the
-  # mkdocs.yml at the root of the repo.
-  unpackPhase = ''
-    cp -r --no-preserve=mode $src docs
-    cp ${../mkdocs.yml} mkdocs.yml
-  '';
-
-  nativeBuildInputs = [
-    mkdocs
-    python310Packages.mkdocs-material
-  ];
-
-  buildPhase = ''
-    mkdocs build
-  '';
-
-  installPhase = ''
-    mv site $out
-  '';
-}
diff --git a/docs/stylesheets/extra.css b/docs/stylesheets/extra.css
deleted file mode 100644
index fc37b52..0000000
--- a/docs/stylesheets/extra.css
+++ /dev/null
@@ -1,114 +0,0 @@
-@font-face {
-  font-family: Eurostile-Roman;
-  src: url("../assets/fonts/Eurostile-Roman.ttf");
-}
-
-:root > * {
-  --md-text-font: Eurostile-Roman;
-}
-/* light scheme */
-[data-md-color-scheme="default"] {
-  --md-primary-fg-color: #f58220;
-  --md-primary-fg-color--light: #f58220;
-  --md-primary-fg-color--dark: #d41f26;
-  --md-accent-fg-color: #d41f26;
-  --md-header-bg-color: #ffffff;
-  --md-footer-bg-color: #939598;
-  --md-text-font: Eurostile-Roman;
-  --md-default-fg-color: #58595b;
-  --md-default-fg-color--light: #d41f26;
-}
-
-/* dark scheme as set in .yaml */
-[data-md-color-scheme="slate"] {
-  --md-primary-fg-color: #546d78;
-  --md-typeset-color: #e9ebfc !important;
-  --md-default-fg-color: #e9ebfc;
-  --md-typeset-a-color: #fbaa31 !important;
-  /* --md-default-fg-color--light: #F58220; */
-  --md-text-font: Eurostile-Roman;
-}
-
-/* --------------------------- Header --------------------------- */
-
-/* Logo */
-.md-header__button.md-logo img,
-.md-header__button.md-logo svg {
-  height: 2rem;
-}
-
-.md-header__button.md-logo {
-  background-color: #ffffff;
-  border-radius: 8px;
-  padding: 0.2rem;
-}
-
-.md-header__title {
-  color: #ffffff;
-  font-size: 1.4rem;
-}
-
-/* search input in header */
-.md-search__form {
-  height: 1.8rem;
-  margin: 9px 0;
-}
-
-.md-search-result__meta {
-  margin-top: 0.3rem;
-}
-
-.md-tabs__link {
-  font-size: 0.8rem;
-}
-
-/* --------------------------- Navigation --------------------------- */
-
-.md-nav__title {
-  color: #ffffff;
-  background-color: #939598 !important;
-  font-size: 1.1rem;
-  font-weight: 500;
-}
-
-.md-nav {
-  font-size: 0.8rem;
-  line-height: 1.3;
-}
-
-.md-sidebar--primary .md-sidebar__scrollwrap {
-  border-right: 1px solid #939598;
-}
-
-.md-sidebar__inner {
-  padding-right: 0 !important;
-}
-
-.md-nav__link--passed {
-  color: #fbaa31;
-}
-
-/* --------------------------- font stuff --------------------------- */
-
-.md-typeset h1 {
-  font-size: 1.75rem;
-  line-height: 1.3;
-  margin: 0 0 1.25em;
-  font-weight: 500;
-}
-
-.md-typeset h2 {
-  color: #fbaa31;
-  font-weight: 500;
-  line-height: 1.3;
-  margin: 0 0 1.25em;
-}
-
-.md-typeset h3 {
-  color: #fbaa31;
-}
-
-/* highlights / links */
-.md-typeset a {
-  color: #fbaa31;
-}
diff --git a/flake.lock b/flake.lock
index ecf8252..978bd03 100644
--- a/flake.lock
+++ b/flake.lock
@@ -35,6 +35,26 @@
         "type": "github"
       }
     },
+    "mkdocs-numtide": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1680358379,
+        "narHash": "sha256-f4v6oIcqoQfUKfOsWbFkgKeGZkKTAo0nRwvL0IQGGnQ=",
+        "owner": "numtide",
+        "repo": "mkdocs-numtide",
+        "rev": "af6c4a5f7c0a59da3b557795f57dcae5707523ac",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "mkdocs-numtide",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1671160997,
@@ -54,6 +74,7 @@
     "root": {
       "inputs": {
         "flake-parts": "flake-parts",
+        "mkdocs-numtide": "mkdocs-numtide",
         "nixpkgs": "nixpkgs",
         "rust-overlay": "rust-overlay"
       }
diff --git a/flake.nix b/flake.nix
index 3c86563..c094b8a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -9,13 +9,17 @@
   inputs.rust-overlay.url = "github:oxalica/rust-overlay";
   inputs.rust-overlay.inputs.nixpkgs.follows = "nixpkgs";
 
-  outputs = { self, nixpkgs, flake-parts, rust-overlay }@inputs:
+  inputs.mkdocs-numtide.url = "github:numtide/mkdocs-numtide";
+  inputs.mkdocs-numtide.inputs.nixpkgs.follows = "nixpkgs";
+
+  outputs = { self, nixpkgs, flake-parts, mkdocs-numtide, ... }@inputs:
     flake-parts.lib.mkFlake { inherit self; } {
       systems = nixpkgs.lib.systems.flakeExposed;
       perSystem = { system, pkgs, ... }:
         let
           packages = import ./. {
             inherit system;
+            mkdocs-numtide = mkdocs-numtide.packages.${system}.default;
           };
         in
         {
@@ -25,6 +29,11 @@
           # Allow `nix run github:numtide/treefmt`.
           packages.default = packages.treefmt;
 
+          packages.docs = mkdocs-numtide.lib.${system}.mkDocs {
+            name = "treefmt-docs";
+            src = ./.;
+          };
+
           devShells.default = packages.devShell;
         };
     };
diff --git a/mkdocs.yml b/mkdocs.yml
index ca0adfb..d1db7e3 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -1,3 +1,5 @@
+INHERIT: !ENV MKDOCS_NUMTIDE_THEME
+
 ### Site metadata ###
 
 site_name: treefmt
@@ -6,64 +8,8 @@ site_url: https://numtide.github.io/treefmt/
 repo_name: 'numtide/treefmt'
 repo_url: https://github.com/numtide/treefmt
 edit_uri: edit/main/docs
-copyright: Copyright © Numtide
 
-extra:
-  social:
-    - icon: fontawesome/brands/github
-      link: https://github.com/numtide
-      name: Numtide on Github
-    - icon: fontawesome/brands/twitter
-      link: https://twitter.com/numtide
-      name: Numtide on Twitter
-  generator: false # hide the line "Made with Material for MkDocs"
-
-### Build settings ###
-
-extra_css:
-  - stylesheets/extra.css
-
-markdown_extensions:
-  - tables
-  - admonition
-  - pymdownx.escapeall
-  - pymdownx.highlight:
-      anchor_linenums: true
-  - pymdownx.inlinehilite
-  - pymdownx.snippets
-  - pymdownx.superfences
-  - pymdownx.tabbed:
-      alternate_style: true 
-  - pymdownx.tasklist
-
-theme:
-  name: 'material'
-  palette:
-    - scheme: default
-      primary: teal
-      accent: orange
-      toggle:
-        icon: material/brightness-7
-        name: Switch to dark mode
-    - scheme: slate
-      primary: blue grey
-      accent: orange
-      toggle:
-        icon: material/brightness-4
-        name: Switch to light mode
-  font:
-    text: Roboto
-#     text: Montserrat
-    code: Roboto Mono
-  favicon: assets/favicon.png
-  logo: assets/logo.png
-
-  features:
-    - navigation.tabs
-    - navigation.tabs.sticky
-    - navigation.top
-    - content.action.edit
-    - content.action.view
+### Navigation ###
 
 nav:
   - Home: index.md