diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0501f14..583457b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,18 @@
 # Changelog
 
+## 0.3.0 (2024-03-14)
+
+Add a new rule:
+- `PYD006` - *Duplicate field name*
+
+Will raise an error with the following:
+
+```python
+class Model(BaseModel):
+    x: int
+    x: int = 1
+```
+
 ## 0.2.0 (2024-02-24)
 
 Add three new rules:
diff --git a/pyproject.toml b/pyproject.toml
index 2dc5b09..c8d06a8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "flake8-pydantic"
-version = "0.2.0"
+version = "0.3.0"
 description = "A flake8 plugin to check Pydantic related code."
 readme = "README.md"
 authors = [
diff --git a/requirements/requirements-dev.txt b/requirements/requirements-dev.txt
index 1ac6276..4cd32be 100644
--- a/requirements/requirements-dev.txt
+++ b/requirements/requirements-dev.txt
@@ -4,15 +4,15 @@
 #
 #    pip-compile requirements/requirements-dev.in
 #
-mypy==1.8.0
+mypy==1.9.0
     # via -r requirements/requirements-dev.in
 mypy-extensions==1.0.0
     # via mypy
-ruff==0.2.2
+ruff==0.3.2
     # via -r requirements/requirements-dev.in
 tomli==2.0.1
     # via mypy
-typing-extensions==4.9.0
+typing-extensions==4.10.0
     # via
     #   -c requirements/requirements.txt
     #   mypy
diff --git a/requirements/requirements-test.txt b/requirements/requirements-test.txt
index 3cca4f8..5120f0d 100644
--- a/requirements/requirements-test.txt
+++ b/requirements/requirements-test.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile requirements/requirements-test.in
 #
-cachetools==5.3.2
+cachetools==5.3.3
     # via tox
 chardet==5.2.0
     # via tox
@@ -20,7 +20,7 @@ filelock==3.13.1
     #   virtualenv
 iniconfig==2.0.0
     # via pytest
-packaging==23.2
+packaging==24.0
     # via
     #   pyproject-api
     #   pytest
@@ -35,14 +35,14 @@ pluggy==1.4.0
     #   tox
 pyproject-api==1.6.1
     # via tox
-pytest==8.0.1
+pytest==8.1.1
     # via -r requirements/requirements-test.in
 tomli==2.0.1
     # via
     #   pyproject-api
     #   pytest
     #   tox
-tox==4.13.0
+tox==4.14.1
     # via
     #   -r requirements/requirements-test.in
     #   tox-gh-actions
diff --git a/requirements/requirements.txt b/requirements/requirements.txt
index 05c3e2e..6f77452 100644
--- a/requirements/requirements.txt
+++ b/requirements/requirements.txt
@@ -12,13 +12,13 @@ mccabe==0.7.0
     # via flake8
 pycodestyle==2.11.1
     # via flake8
-pydantic==2.6.1
+pydantic==2.6.4
     # via -r requirements/requirements.in
-pydantic-core==2.16.2
+pydantic-core==2.16.3
     # via pydantic
 pyflakes==3.2.0
     # via flake8
-typing-extensions==4.9.0
+typing-extensions==4.10.0
     # via
     #   pydantic
     #   pydantic-core
diff --git a/src/flake8_pydantic/errors.py b/src/flake8_pydantic/errors.py
index d52ebe6..5edac2b 100644
--- a/src/flake8_pydantic/errors.py
+++ b/src/flake8_pydantic/errors.py
@@ -49,7 +49,7 @@ class PYD005(Error):
 
 
 class PYD006(Error):
-    error_code = "PYD005"
+    error_code = "PYD006"
     message = "Duplicate field name"