diff --git a/CHANGELOG.md b/CHANGELOG.md
index 31a4e33..66bada2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # CHANGELOG
 
-## Next Release
+## v10.9.0 (2026-11-09)
 
 - Removes the legacy Google App Engine `urlfetch` transport; all requests now use `requests`
 
diff --git a/easypost/constant.py b/easypost/constant.py
index d08554e..9ac0333 100644
--- a/easypost/constant.py
+++ b/easypost/constant.py
@@ -1,6 +1,6 @@
 # flake8: noqa
 # Library version
-VERSION = "10.8.0"
+VERSION = "10.9.0"
 VERSION_INFO = [str(number) for number in VERSION.split(".")]
 
 # Client defaults
diff --git a/pyproject.toml b/pyproject.toml
index 3b3f1c6..e13630b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ build-backend = "setuptools.build_meta"
 [project]
 name = "easypost"
 description = "EasyPost Shipping API Client Library for Python"
-version = "10.8.0"
+version = "10.9.0"
 readme = "README.md"
 requires-python = ">=3.9"
 license = { file = "LICENSE" }