diff --git a/.readthedocs.yml b/.readthedocs.yml
new file mode 100644
index 00000000..08a0fa94
--- /dev/null
+++ b/.readthedocs.yml
@@ -0,0 +1,23 @@
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Set the version of Python and other tools you might need
+build:
+  os: ubuntu-20.04
+  tools:
+    python: "mambaforge-4.10"
+
+# Build documentation in the doc/ directory with Sphinx
+sphinx:
+  configuration: docs/conf.py
+
+# Optionally declare the Python requirements required to build your docs
+conda:
+  environment: ci/doc.yml
+python:
+  install:
+    - method: pip
+      path: .
diff --git a/ci/doc.yml b/ci/doc.yml
new file mode 100644
index 00000000..075d2cfd
--- /dev/null
+++ b/ci/doc.yml
@@ -0,0 +1,15 @@
+name: virtualizarr-docs
+channels:
+  - conda-forge
+  - nodefaults
+dependencies:
+  - python>=3.9
+  - "sphinx"
+  - "pydata_sphinx_theme"
+  - "sphinx-autodoc-typehints"
+  - "sphinx_copybutton"
+  - "sphinx_togglebutton"
+  -  "sphinx_design"
+  - "myst_nb"
+  - pip:
+      - -e ..
diff --git a/pyproject.toml b/pyproject.toml
index 1d3c0719..6a45df11 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,6 @@ dynamic = ["version"]
 dependencies = [
     "xarray",
     "kerchunk",
-    "ujson",
     "pydantic",
     "packaging",
 ]
@@ -35,22 +34,9 @@ test = [
     "pytest",
 ]
 
-docs = [
-    "sphinx",
-    "pydata_sphinx_theme",
-    "sphinx-autodoc-typehints",
-    "sphinx_copybutton",
-    "sphinx_togglebutton",
-    "sphinx_design",
-    "myst_nb"
-]
 
 
 
-[project.optional-dependencies]
-test = [
-    "pytest"
-]
 
 [project.urls]
 Home = "https://github.com/TomNicholas/VirtualiZarr"
diff --git a/virtualizarr/__init__.py b/virtualizarr/__init__.py
index 790ff02c..485fd87e 100644
--- a/virtualizarr/__init__.py
+++ b/virtualizarr/__init__.py
@@ -1,5 +1,3 @@
 from .manifests import ManifestArray  # type: ignore # noqa
-from .xarray import (  # type: ignore # noqa
-    VirtualiZarrDatasetAccessor,
-    open_dataset_via_kerchunk,
-)
+from .xarray import VirtualiZarrDatasetAccessor  # type: ignore # noqa
+from .xarray import open_dataset_via_kerchunk  # noqa: F401