diff --git a/_docs/render.py b/_docs/render.py
index c14bd4dc..349238a9 100644
--- a/_docs/render.py
+++ b/_docs/render.py
@@ -154,9 +154,9 @@ def example_contribution(
     if format == "yaml":
         return yaml.safe_dump(output, sort_keys=False)
     if format == "toml":
-        import pytomlpp as toml
+        import tomli_w
 
-        return toml.dumps(output)
+        return tomli_w.dumps(output)
     if format == "json":
         return json.dumps(output)
     raise ValueError("Invalid format: {format}.  Must be 'yaml', 'toml' or 'json'.")
diff --git a/pyproject.toml b/pyproject.toml
index 05bc54ab..17e8d7c1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,8 @@ dependencies = [
     "build",
     "psygnal>=0.3.0",
     "pydantic<2",
-    "pytomlpp",
+    "tomli-w",
+    "tomli; python_version < '3.11'",
     "rich",
     "typer",
 ]
diff --git a/src/npe2/_inspection/_setuputils.py b/src/npe2/_inspection/_setuputils.py
index 678b8ec2..467f72a5 100644
--- a/src/npe2/_inspection/_setuputils.py
+++ b/src/npe2/_inspection/_setuputils.py
@@ -86,18 +86,6 @@ def get_package_dir_info(path: Union[Path, str]) -> PackageInfo:
                         EntryPoint(name.strip(), value.strip(), group)
                     )
 
-    # # check for pyproject.toml
-    # pyproject_toml = path / "pyproject.toml"
-    # if pyproject_toml.exists():
-    #     info.pyproject_toml = pyproject_toml
-    #     with open(pyproject_toml, "r") as f:
-    #         data = pytomlpp.load(f)
-    #     if project := data.get("project"):
-    #         info.package_name = project.get("name", "")
-    #         for group, ep in project.get('entry-points', {}).items():
-    #             for name, value in ep.items():
-    #                 info.entry_points.append(EntryPoint(name, value, group))
-
     return info
 
 
diff --git a/src/npe2/_setuptools_plugin.py b/src/npe2/_setuptools_plugin.py
index 9093748a..99ff9174 100644
--- a/src/npe2/_setuptools_plugin.py
+++ b/src/npe2/_setuptools_plugin.py
@@ -36,9 +36,12 @@ def trace(*k: object) -> None:
 
 
 def _lazy_tomli_load(data: str) -> dict[str, Any]:
-    from pytomlpp import loads
+    try:
+        import tomllib
+    except ImportError:
+        import tomli as tomllib  # type: ignore [no-redef]
 
-    return loads(data)
+    return tomllib.loads(data)
 
 
 def _read_dist_name_from_setup_cfg() -> str | None:
diff --git a/src/npe2/manifest/_bases.py b/src/npe2/manifest/_bases.py
index f7ddca06..630b75bf 100644
--- a/src/npe2/manifest/_bases.py
+++ b/src/npe2/manifest/_bases.py
@@ -3,7 +3,6 @@
 from pathlib import Path
 from typing import Callable, Dict, Optional, Union
 
-import pytomlpp as toml
 import yaml
 from pydantic import BaseModel, PrivateAttr
 
@@ -30,10 +29,12 @@ def toml(self, pyproject=False, **kwargs) -> str:
         **kwargs
             passed to `BaseModel.json()`
         """
+        import tomli_w
+
         d = self._serialized_data(**kwargs)
         if pyproject:
             d = {"tool": {"napari": d}}
-        return toml.dumps(d)
+        return tomli_w.dumps(d)
 
     def yaml(self, **kwargs) -> str:
         """Generate serialized `yaml` string for this model.
@@ -74,13 +75,18 @@ def from_file(cls, path: Union[Path, str]):
         if path.suffix.lower() == ".json":
             loader = json.load
         elif path.suffix.lower() == ".toml":
-            loader = toml.load
+            try:
+                import tomllib
+            except ImportError:
+                import tomli as tomllib  # type: ignore [no-redef]
+
+            loader = tomllib.load
         elif path.suffix.lower() in (".yaml", ".yml"):
             loader = yaml.safe_load
         else:
             raise ValueError(f"unrecognized file extension: {path}")  # pragma: no cover
 
-        with open(path, encoding="utf-8") as f:
+        with open(path, mode="rb") as f:
             data = loader(f) or {}
 
         if path.name == "pyproject.toml":