diff --git a/.readthedocs.yml b/.readthedocs.yml
index 2022bb2..edad265 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -6,6 +6,10 @@ build:
     - graphviz
   tools:
     python: "3.11"
+  jobs:
+    post_checkout:
+      # Fetch full history, but don't fail if we already have it
+      - git fetch --unshallow || true
 
 sphinx:
   configuration: docs/conf.py
diff --git a/pyproject.toml b/pyproject.toml
index d4a61c3..deb715a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,6 +29,19 @@ dependencies = [
 dynamic = ["version"]
 
 [project.optional-dependencies]
+doc = [
+    "doctest-ignore-unicode",
+    "pydot >=1.2.3",
+    "pydotplus",
+    "recommonmark",
+    "sphinx >= 4.2.0",
+    "sphinx-argparse",
+    "sphinx-markdown-tables",
+    "sphinx_rtd_theme",
+    "sphinxcontrib-apidoc",
+    "sphinxcontrib-bibtex",
+    "svgutils",
+]
 test = [
   "coverage",
   "pytest",
@@ -36,6 +49,9 @@ test = [
   "pytest-env",
 ]
 
+# Aliases
+all = ["fmripost_aroma[doc,test]"]
+
 [project.urls]
 Documentation = "https://github.com/nipreps/fmripost-aroma#readme"
 Issues = "https://github.com/nipreps/fmripost-aroma/issues"