diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index e132657d..ddc20118 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.21.2"
+  ".": "0.21.3"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3bd590a8..988353fe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+## 0.21.3 (2024-03-21)
+
+Full Changelog: [v0.21.2...v0.21.3](https://github.com/anthropics/anthropic-sdk-python/compare/v0.21.2...v0.21.3)
+
+### Bug Fixes
+
+* **types:** correct typo claude-2.1' to claude-2.1 ([#400](https://github.com/anthropics/anthropic-sdk-python/issues/400)) ([7f82aa3](https://github.com/anthropics/anthropic-sdk-python/commit/7f82aa3aa28c7134b69eeb42d5f0b7523c7cb5df))
+* **types:** correct typo claude-2.1' to claude-2.1 ([#413](https://github.com/anthropics/anthropic-sdk-python/issues/413)) ([bb1aebe](https://github.com/anthropics/anthropic-sdk-python/commit/bb1aebe6225b7d854b8125344846e77c6e13f3f9))
+
 ## 0.21.2 (2024-03-21)
 
 Full Changelog: [v0.21.1...v0.21.2](https://github.com/anthropics/anthropic-sdk-python/compare/v0.21.1...v0.21.2)
diff --git a/pyproject.toml b/pyproject.toml
index 4a62d9ae..f1d3585f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "anthropic"
-version = "0.21.2"
+version = "0.21.3"
 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 de74d831..35030520 100644
--- a/src/anthropic/_version.py
+++ b/src/anthropic/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "anthropic"
-__version__ = "0.21.2"  # x-release-please-version
+__version__ = "0.21.3"  # x-release-please-version