diff --git a/README.md b/README.md
index 54e754e..88baa16 100644
--- a/README.md
+++ b/README.md
@@ -143,7 +143,7 @@ class Model(BaseModel):
 data = {"foo": "Cat"}
 
 try:
-   Model.parse_obj(data)
+   Model.model_validate(data)
 except ValidationError as e:
    print(drf_error_details(e))
 ```
diff --git a/pyngo/__init__.py b/pyngo/__init__.py
index 4754a08..fffe047 100644
--- a/pyngo/__init__.py
+++ b/pyngo/__init__.py
@@ -1,6 +1,6 @@
 """Pydantic Package for Adding Models into a Django or Django Rest Framework Project"""
 
-__version__ = "2.2.0"
+__version__ = "2.2.1"
 
 from .errors import drf_error_details
 from .openapi import ParameterDict, openapi_params
diff --git a/pyproject.toml b/pyproject.toml
index 173e141..3f6ce95 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -67,7 +67,8 @@ path = "pyngo/__init__.py"
 
 [tool.ruff]
 line-length = 120
-mccabe = { max-complexity = 14 }
+
+[tool.ruff.lint]
 select = [
     "E",  # pycodestyle errors
     "W",  # pycodestyle warnings
@@ -81,14 +82,15 @@ ignore = [
     "B008",  # do not perform function calls in argument defaults
     "C901",  # too complex
 ]
+mccabe = { max-complexity = 14 }
 
-[tool.ruff.per-file-ignores]
+[tool.ruff.lint.per-file-ignores]
 "__init__.py" = ["F401"]
 
-[tool.ruff.isort]
+[tool.ruff.lint.isort]
 known-third-party = ["pydantic", "typing_extensions"]
 
-[tool.ruff.pyupgrade]
+[tool.ruff.lint.pyupgrade]
 keep-runtime-typing = true
 
 [tool.coverage.run]