diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 59565e8..65f558e 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.6.1"
+  ".": "2.0.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2321c4b..0d5b51f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,35 @@
 # Changelog
 
+## 2.0.0 (2025-01-09)
+
+Full Changelog: [v1.6.1...v2.0.0](https://github.com/writer/writer-python/compare/v1.6.1...v2.0.0)
+
+### ⚠ BREAKING CHANGES
+
+* **api:** define chat completion models ([#157](https://github.com/writer/writer-python/issues/157))
+
+### Features
+
+* **api:** define chat completion models ([#157](https://github.com/writer/writer-python/issues/157)) ([2a1d32a](https://github.com/writer/writer-python/commit/2a1d32a64b8fb155fad130b4dd1d4966a5451bd9))
+
+
+### Bug Fixes
+
+* **client:** only call .close() when needed ([#152](https://github.com/writer/writer-python/issues/152)) ([c999f9a](https://github.com/writer/writer-python/commit/c999f9aa55319d330102c7cf5d4d1d55843e3d6d))
+
+
+### Chores
+
+* add missing isclass check ([#149](https://github.com/writer/writer-python/issues/149)) ([ceb0f57](https://github.com/writer/writer-python/commit/ceb0f57ab0ea6ea66cb193d2838f2f398ae48fe0))
+* **internal:** bump httpx dependency ([#151](https://github.com/writer/writer-python/issues/151)) ([2bb3be6](https://github.com/writer/writer-python/commit/2bb3be6971dd94ebcc49728627c478c382db9b2f))
+* **internal:** codegen related update ([#147](https://github.com/writer/writer-python/issues/147)) ([9f6686e](https://github.com/writer/writer-python/commit/9f6686e600fdf2caad76249ed5010a7d7ecdf0e7))
+* **internal:** codegen related update ([#154](https://github.com/writer/writer-python/issues/154)) ([3bb05ac](https://github.com/writer/writer-python/commit/3bb05accf88cd2bc793c418f630318d899224a07))
+
+
+### Documentation
+
+* fix typos ([#153](https://github.com/writer/writer-python/issues/153)) ([5b80591](https://github.com/writer/writer-python/commit/5b805911936a8c7f0ba496d7cc092a607847ff73))
+
 ## 1.6.1 (2024-12-17)
 
 Full Changelog: [v1.6.0...v1.6.1](https://github.com/writer/writer-python/compare/v1.6.0...v1.6.1)
diff --git a/pyproject.toml b/pyproject.toml
index 8539e31..4d1c0a2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "writer-sdk"
-version = "1.6.1"
+version = "2.0.0"
 description = "The official Python library for the writer API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/writerai/_version.py b/src/writerai/_version.py
index 3f13964..a7140c4 100644
--- a/src/writerai/_version.py
+++ b/src/writerai/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "writerai"
-__version__ = "1.6.1"  # x-release-please-version
+__version__ = "2.0.0"  # x-release-please-version