diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 43e8ecd..10fc1aa 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -28,9 +28,6 @@ jobs:
           - "1.6"
           - "1"
           - "nightly"
-        exclude:
-          - os: macos-latest
-            julia-version: nightly
     steps:
       - uses: actions/checkout@v4
         with:
@@ -47,3 +44,20 @@ jobs:
       - uses: codecov/codecov-action@v3.1.5
         with:
           file: lcov.info
+  docs:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    permissions:
+      contents: write
+      statuses: write
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - uses: julia-actions/setup-julia@v2
+        with:
+          show-versioninfo: true
+          version: "1"
+      - uses: julia-actions/julia-docdeploy@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.gitignore b/.gitignore
index 214f83f..afc880f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 
+/docs/build/
 lcov.info
 Manifest.toml
diff --git a/Project.toml b/Project.toml
index adff298..5ee3c29 100644
--- a/Project.toml
+++ b/Project.toml
@@ -5,10 +5,3 @@ version = "1.10.0"
 
 [deps]
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
-
-[extras]
-OrderedCollections = "bac558e1-5e72-5ebc-8fee-abe8a469f55d"
-Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
-
-[targets]
-test = ["OrderedCollections", "Test"]
diff --git a/docs/Project.toml b/docs/Project.toml
new file mode 100644
index 0000000..d0c1130
--- /dev/null
+++ b/docs/Project.toml
@@ -0,0 +1,5 @@
+[deps]
+Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
+OrderedCollections = "bac558e1-5e72-5ebc-8fee-abe8a469f55d"
+Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
+Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
diff --git a/docs/make.jl b/docs/make.jl
new file mode 100644
index 0000000..8e37b30
--- /dev/null
+++ b/docs/make.jl
@@ -0,0 +1,30 @@
+using Documenter: Documenter, DocMeta
+using UUID4
+
+DocMeta.setdocmeta!(UUID4, :DocTestSetup, quote
+#! format: noindent
+using OrderedCollections
+using UUID4
+end)
+
+@info "doctest"
+Documenter.doctest(UUID4, fix = true, manual = false)
+
+@info "makedocs"
+Documenter.makedocs(
+	doctest   = false,
+	format    = Documenter.HTML(),
+	modules   = [UUID4],
+	pages     = ["Manual" => "index.md"],
+	pagesonly = true,
+	sitename  = "UUID4.jl",
+)
+
+@info "deploydocs"
+Documenter.deploydocs(
+	devbranch = "master",
+	devurl    = "latest",
+	forcepush = true,
+	repo      = "github.com/0h7z/UUID4.jl.git",
+)
+
diff --git a/docs/src/api.md b/docs/src/api.md
new file mode 100644
index 0000000..a10c65c
--- /dev/null
+++ b/docs/src/api.md
@@ -0,0 +1,5 @@
+##	API reference
+```@autodocs
+Modules = [UUID4]
+```
+
diff --git a/docs/src/index.md b/docs/src/index.md
new file mode 100644
index 0000000..8a55678
--- /dev/null
+++ b/docs/src/index.md
@@ -0,0 +1,21 @@
+# UUID4.jl
+[![CI status](https://github.com/0h7z/UUID4.jl/actions/workflows/CI.yml/badge.svg)](https://github.com/0h7z/UUID4.jl/actions/workflows/CI.yml)
+[![codecov.io](https://codecov.io/gh/0h7z/UUID4.jl/branch/master/graph/badge.svg)](https://app.codecov.io/gh/0h7z/UUID4.jl)
+
+*****
+## Usage
+```julia
+pkg> registry add https://github.com/0h7z/0hjl.git
+pkg> add UUID4
+
+julia> using UUID4
+help?> UUID4
+help?> uuid
+```
+
+*****
+## API reference
+```@autodocs
+Modules = [UUID4]
+```
+
diff --git a/test/Project.toml b/test/Project.toml
new file mode 100644
index 0000000..d0c1130
--- /dev/null
+++ b/test/Project.toml
@@ -0,0 +1,5 @@
+[deps]
+Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
+OrderedCollections = "bac558e1-5e72-5ebc-8fee-abe8a469f55d"
+Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
+Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
diff --git a/test/runtests.jl b/test/runtests.jl
index 0591ec4..9d7bbb4 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -17,6 +17,19 @@ using OrderedCollections: LittleDict, OrderedDict
 using Random: Random
 using Test, UUID4
 
+parse(Bool, get(ENV, "CI", "0")) || cd(@__DIR__) do
+	cp("./Project.toml", "../docs/Project.toml", force = true)
+	fs = [
+		"../README.md"
+		"../docs/src/api.md"
+	]
+	md = join(readchomp.(fs), "\n$("*"^5)\n")
+	md = replace(md, r"^#+\K\s+"m => " ")
+	write("../docs/src/index.md", md, "\n")
+
+	include("../docs/make.jl")
+end
+
 u4 = uuid4()
 @test 4 == uuid_version(u4)
 @test 4 == uuid_version(u4 |> string)