diff --git a/pyproject.toml b/pyproject.toml
index aed8500..cb69c5e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,18 +17,16 @@ dependencies = ["pydantic >=2,<3"]
 requires-python = ">=3.8"
 
 [project.optional-dependencies]
+doc = ["pdoc"]
 lint = [
     "black >= 22.3.0",
     # NOTE: ruff is under active development, so we pin conservatively here
     # and let Dependabot periodically perform this update.
     "ruff < 0.0.293",
     "mypy >= 1.0",
-    "types-html5lib",
-    "types-requests",
-    "types-toml",
 ]
 codegen = ["datamodel-code-generator", "sigstore-rekor-types[lint]"]
-dev = ["sigstore-rekor-types[codegen,lint]", "build"]
+dev = ["sigstore-rekor-types[codegen,doc,lint]", "build"]
 
 
 [project.urls]
diff --git a/sigstore_rekor_types/_internal/__init__.py b/sigstore_rekor_types/_internal/__init__.py
index e69de29..8b13789 100644
--- a/sigstore_rekor_types/_internal/__init__.py
+++ b/sigstore_rekor_types/_internal/__init__.py
@@ -0,0 +1 @@
+