diff --git a/Makefile b/Makefile
index c4d41db..ec353bd 100644
--- a/Makefile
+++ b/Makefile
@@ -16,7 +16,7 @@ dev-setup: .git/hooks/pre-commit $(VENV)/flake8 $(VENV)/black $(VENV)/mypy
 deps: $(VENV)
 	$(VENV)/pip install -e '.[dev]'
 
-$(VENV)/flake8 $(VENV)/black $(VENV)/mypy $(VENV)/pytest &: $(VENV)/pip
+$(VENV)/flake8 $(VENV)/black $(VENV)/mypy $(VENV)/pytest $(VENV)/sphinx-build &: $(VENV)/pip
 	$(VENV)/pip install -e '.[dev]'
 
 .PHONY: lint check-format format typecheck precommit test
@@ -51,7 +51,7 @@ test: $(VENV)/pytest
 precommit: check-format typecheck lint test
 
 .PHONY: docs
-docs:
+docs: $(VENV)/sphinx-build
 	$(MAKE) -C docs html
 
 .PHONY: clean
diff --git a/setup.cfg b/setup.cfg
index 7036b74..aa47881 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -36,6 +36,8 @@ dev =
     ipython==7.19.0
     jedi<0.18 # Version specifier is because ipython v7.19.0 is incompatible with jedi 0.18; see https://github.com/ipython/ipython/issues/12780.
     sphinx
+    sphinx_autodoc_typehints
+    sphinx_rtd_theme
     scanpydoc>=0.5.5
 
 [options.packages.find]