diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 64caaf70..cc652089 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -4,7 +4,11 @@ on:
   #  release:
   #    types: [created]
   push:
-    branches: [ main ]
+    branches: 
+      - main
+  pull_request:
+    branches:
+      - main
 
 jobs:
   test:
diff --git a/.gitignore b/.gitignore
index edeeea9b..cce4a6bb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -157,6 +157,6 @@ cython_debug/
 #  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
-.idea/
+.idea
 
 .DS_Store
\ No newline at end of file
diff --git a/.idea/.gitignore b/.idea/.gitignore
deleted file mode 100644
index 13566b81..00000000
--- a/.idea/.gitignore
+++ /dev/null
@@ -1,8 +0,0 @@
-# Default ignored files
-/shelf/
-/workspace.xml
-# Editor-based HTTP Client requests
-/httpRequests/
-# Datasource local storage ignored files
-/dataSources/
-/dataSources.local.xml
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0c4b63dd..21151abb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,22 @@
 # Paddle Python SDK Changelog
 
+All notable changes to this project will be documented in this file.
 
-## Version 0.1.0 (2024-04-05)
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-### Features:
-- Initial launch!
+Check our main [developer changelog](https://developer.paddle.com/?utm_source=dx&utm_medium=paddle-python-sdk) for information about changes to the Paddle Billing platform, the Paddle API, and other developer tools.
+
+
+## 0.1.1 - 2024-05-24
+
+### Fixed
+
+- Fixed a [bug](https://github.com/PaddleHQ/paddle-python-sdk/issues/7) with `UpdateBusiness` operation.
+
+---
+
+## 0.1.0 - 2024-04-05
+
+### Added:
+
+- Initial release.
diff --git a/paddle_billing/Client.py b/paddle_billing/Client.py
index 31037183..d0655b3f 100644
--- a/paddle_billing/Client.py
+++ b/paddle_billing/Client.py
@@ -187,7 +187,7 @@ def build_request_session(self) -> Session:
             'Authorization':  f"Bearer {self.__api_key}",
             'Content-Type':   'application/json',
             'Paddle-Version': str(self.use_api_version),
-            'User-Agent':     'PaddleSDK/python 0.1.0',
+            'User-Agent':     'PaddleSDK/python 0.1.1',
         })
 
         # Configure retries
diff --git a/paddle_billing/Resources/Businesses/Operations/UpdateBusiness.py b/paddle_billing/Resources/Businesses/Operations/UpdateBusiness.py
index 3f271e76..9812acd6 100644
--- a/paddle_billing/Resources/Businesses/Operations/UpdateBusiness.py
+++ b/paddle_billing/Resources/Businesses/Operations/UpdateBusiness.py
@@ -6,7 +6,7 @@
 
 @dataclass
 class UpdateBusiness:
-    name:           str                   | Undefined = Undefined
+    name:           str                   | Undefined = Undefined()
     company_number: str            | None | Undefined = Undefined()
     tax_identifier: str            | None | Undefined = Undefined()
     contacts:       list[Contacts]        | Undefined = Undefined()
diff --git a/setup.py b/setup.py
index 6a445790..c9114d55 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 
 setup(
-    version         = '0.1.0',
+    version         = '0.1.1',
 
     author          = 'Paddle and contributors',
     author_email    = 'team-dx@paddle.com',