diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 08e7ec3..8f6fdce 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -46,4 +46,20 @@ jobs:
       - uses: codecov/codecov-action@v1
         with:
           file: lcov.info
-
+  docs:
+    name: 'Documentation'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@v1
+        with:
+          version: '1'
+      - run: |
+          julia --project=docs -e '
+            using Pkg
+            Pkg.develop(PackageSpec(path=pwd()))
+            Pkg.instantiate()'
+      - run: julia --project=docs --color=yes docs/make.jl
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }}
diff --git a/docs/.gitignore b/docs/.gitignore
new file mode 100644
index 0000000..a303fff
--- /dev/null
+++ b/docs/.gitignore
@@ -0,0 +1,2 @@
+build/
+site/
diff --git a/docs/Project.toml b/docs/Project.toml
new file mode 100644
index 0000000..dfa65cd
--- /dev/null
+++ b/docs/Project.toml
@@ -0,0 +1,2 @@
+[deps]
+Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
diff --git a/docs/make.jl b/docs/make.jl
new file mode 100644
index 0000000..4dc5c8e
--- /dev/null
+++ b/docs/make.jl
@@ -0,0 +1,17 @@
+using Documenter
+using Tokenize
+
+makedocs(
+    sitename = "Tokenize",
+    format = Documenter.HTML(),
+    modules = [Tokenize],
+    pages=[
+        "Home" => "index.md",
+    ],
+)
+
+deploydocs(
+    repo = "github.com/JuliaLang/Tokenize.jl.git",
+    devbranch = "master",
+    push_preview = true,
+)
diff --git a/docs/src/index.md b/docs/src/index.md
new file mode 100644
index 0000000..b0c0cbd
--- /dev/null
+++ b/docs/src/index.md
@@ -0,0 +1,10 @@
+# Tokenize.jl
+
+Documentation for Tokenize.jl
+
+```@autodocs
+Modules = [
+    Tokenize,
+    Tokenize.Lexers
+]
+```
\ No newline at end of file