diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 54c4d98a..8f3e0a49 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.14.1"
+  ".": "0.15.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 27706e2b..e91001e5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.15.0 (2024-02-02)
+
+Full Changelog: [v0.14.1...v0.15.0](https://github.com/anthropics/anthropic-sdk-python/compare/v0.14.1...v0.15.0)
+
+### Features
+
+* **api:** add new usage response fields ([#332](https://github.com/anthropics/anthropic-sdk-python/issues/332)) ([554098e](https://github.com/anthropics/anthropic-sdk-python/commit/554098e544d49575d2d9d24edfb46f2fa0f77ba1))
+
 ## 0.14.1 (2024-02-02)
 
 Full Changelog: [v0.14.0...v0.14.1](https://github.com/anthropics/anthropic-sdk-python/compare/v0.14.0...v0.14.1)
diff --git a/pyproject.toml b/pyproject.toml
index 666c6278..9ed5c6f8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "anthropic"
-version = "0.14.1"
+version = "0.15.0"
 description = "The official Python library for the anthropic API"
 readme = "README.md"
 license = "MIT"
diff --git a/src/anthropic/_version.py b/src/anthropic/_version.py
index dee7f3de..02d59119 100644
--- a/src/anthropic/_version.py
+++ b/src/anthropic/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless.
 
 __title__ = "anthropic"
-__version__ = "0.14.1"  # x-release-please-version
+__version__ = "0.15.0"  # x-release-please-version