diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c3e6d7..d09c17b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # CHANGELOG
 
-## Next Release
+## v8.1.1 (2023-09-05)
 
 - Fix endpoint for creating a FedEx Smartpost carrier account
 
diff --git a/easypost/constant.py b/easypost/constant.py
index 8fb51dd..41e782d 100644
--- a/easypost/constant.py
+++ b/easypost/constant.py
@@ -1,6 +1,6 @@
 # flake8: noqa
 # Library version
-VERSION = "8.1.0"
+VERSION = "8.1.1"
 VERSION_INFO = [str(number) for number in VERSION.split(".")]
 
 # Client defaults
diff --git a/setup.py b/setup.py
index 9e199e4..9f101bb 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,7 @@
 
 setup(
     name="easypost",
-    version="8.1.0",
+    version="8.1.1",
     description="EasyPost Shipping API Client Library for Python",
     author="EasyPost",
     author_email="support@easypost.com",