diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index e7562934..96dfab30 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.19.0"
+  ".": "0.19.1"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6367ca27..190cae27 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.19.1 (2024-03-06)
+
+Full Changelog: [v0.19.0...v0.19.1](https://github.com/anthropics/anthropic-sdk-python/compare/v0.19.0...v0.19.1)
+
+### Chores
+
+* **internal:** add core support for deserializing into number response ([#373](https://github.com/anthropics/anthropic-sdk-python/issues/373)) ([b62c422](https://github.com/anthropics/anthropic-sdk-python/commit/b62c4224fafe0544877ebb57278526a5ddd1955d))
+
 ## 0.19.0 (2024-03-06)
 
 Full Changelog: [v0.18.1...v0.19.0](https://github.com/anthropics/anthropic-sdk-python/compare/v0.18.1...v0.19.0)
diff --git a/pyproject.toml b/pyproject.toml
index 98115520..b15650e5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "anthropic"
-version = "0.19.0"
+version = "0.19.1"
 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 3fb4514f..f7d97738 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__ = "0.19.0"  # x-release-please-version
+__version__ = "0.19.1"  # x-release-please-version