diff --git a/.circleci/config.yml b/.circleci/config.yml
index e933d78..aafd35c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -26,8 +26,8 @@ jobs:
           name: run tests
           command: |
             . venv/bin/activate
-            make lint
-            make test
+            flake8
+            pytest
       - run:
           name: report coverage
           command: |
diff --git a/.flake8 b/.flake8
new file mode 100644
index 0000000..25aa459
--- /dev/null
+++ b/.flake8
@@ -0,0 +1,2 @@
+[flake8]
+exclude=.venv,venv,snowboy,build
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..14cb7d7
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,61 @@
+# Changelog
+
+## 1.4.1
+[Full Changelog](https://github.com/richtier/alexa-voice-service-client/pull/34)
+### Implemented enhancements
+- Simplified makefile. Use direct `flake8` and `pytest` commands instead of  `make lint` and `make test`.
+- Add CHANGELOG.md
+
+### Fixed bugs
+- Fixed synchronise state incorrectly using `GET` method.
+
+## 1.4.0
+[Full Changelog](https://github.com/richtier/alexa-voice-service-client/pull/33)
+### Implemented enhancements
+- Add Automatic Speech Recognition (ASR) profile support, optimized for user speech from varying distances.
+
+## 1.3.0
+[Full Changelog](https://github.com/richtier/alexa-voice-service-client/pull/31)
+### Implemented enhancements
+- Renamed package from avs_client to alexa_client
+- Use thread timer for ping management
+- Add ExpectSpeech directive
+
+## 1.2.0
+[Full Changelog](https://github.com/richtier/alexa-voice-service-client/pull/29)
+### Implemented enhancements
+- Support dialogue request id to support multi-step commands.
+- Added streaming audio example
+
+### Fixed bugs
+
+## 1.1.0
+[Full Changelog](https://github.com/richtier/alexa-voice-service-client/pull/28)
+### Implemented enhancements
+- Added support for HandlePlay directive
+
+## 1.0.0
+[Full Changelog](https://github.com/richtier/alexa-voice-service-client/pull/23)
+### Implemented enhancements
+- Handle multi-part responses
+- Removed type hinting
+- Added makefile
+
+## 0.7.1
+[Full Changelog](https://github.com/richtier/alexa-voice-service-client/pull/16)
+### Implemented enhancements
+- Remove requirements.txt - hard-code in setup.py instead
+
+### Fixed bugs
+- Fix incorrect callback url generation #16
+
+## 0.6.0
+[Full Changelog](https://github.com/richtier/alexa-voice-service-client/pull/12)
+### Implemented enhancements
+- Add AmazonOauth2RequestManager
+
+## 0.5.2
+[Full Changelog](https://github.com/richtier/alexa-voice-service-client/pull/6)
+
+### Fixed bugs
+- Expect 204 or 200 on synchronise device state
diff --git a/Makefile b/Makefile
index c8f4620..563fddb 100644
--- a/Makefile
+++ b/Makefile
@@ -22,19 +22,4 @@ test_requirements:
 	pip install -e .[test]
 
 
-lint:
-	flake8 --exclude=.venv,venv,snowboy,build
-
-
-test:
-	pytest $1 \
-		--ignore=venv \
-		--ignore=.venv \
-		--ignore=build \
-		--cov=./ \
-		--cov-config=.coveragerc \
-		--capture=no \
-		--last-failed \
-		-vv
-
-.PHONY: build publish_test publish test_requirements test
+.PHONY: build publish_test publish test_requirements
diff --git a/README.md b/README.md
index 6f521f8..d3d1fd7 100644
--- a/README.md
+++ b/README.md
@@ -196,7 +196,7 @@ To run the unit tests, call the following commands:
 ```sh
 git clone git@github.com:richtier/alexa-voice-service-client.git
 make test_requirements
-make test
+pytest
 ```
 
 ## Other projects ##
diff --git a/alexa_client/alexa_client/connection.py b/alexa_client/alexa_client/connection.py
index ce84c40..0496d0a 100644
--- a/alexa_client/alexa_client/connection.py
+++ b/alexa_client/alexa_client/connection.py
@@ -65,13 +65,13 @@ def synchronise_device_state(self, device_state, authentication_headers):
             'Content-Type': multipart_data.content_type
         }
         stream_id = self.connection.request(
-            'GET',
+            'POST',
             '/v20160207/events',
             body=multipart_data,
             headers=headers,
         )
         response = self.connection.get_response(stream_id)
-        assert response.status in [http.client.NO_CONTENT, http.client.OK]
+        assert response.status == http.client.NO_CONTENT
 
     def send_audio_file(
         self, audio_file, device_state, authentication_headers,
diff --git a/pytest.ini b/pytest.ini
new file mode 100644
index 0000000..531978e
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,2 @@
+[pytest]
+addopts= --ignore=venv --ignore=.venv --ignore=build --cov=./ --cov-config=.coveragerc --capture=no --last-failed -vv
diff --git a/setup.py b/setup.py
index 6c33252..0de568a 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 
 setup(
     name='alexa_client',
-    version='1.4.0',
+    version='1.4.1',
     packages=find_packages(exclude=["tests.*", "tests"]),
     url='https://github.com/richtier/alexa-voice-service-client',
     license='MIT',
diff --git a/tests/alexa_client/test_connection.py b/tests/alexa_client/test_connection.py
index f566dd2..171e54c 100644
--- a/tests/alexa_client/test_connection.py
+++ b/tests/alexa_client/test_connection.py
@@ -81,12 +81,11 @@ def test_establish_downstream_conncetion(manager, authentication_headers):
     }
 
 
-@pytest.mark.parametrize("status", [200, 204])
 def test_synchronise_device_state(
-    status, manager, authentication_headers, device_state
+    manager, authentication_headers, device_state
 ):
     manager.create_connection()
-    manager.mock_response(status_code=status)
+    manager.mock_response(status_code=204)
 
     manager.synchronise_device_state(
         authentication_headers=authentication_headers,
@@ -96,7 +95,7 @@ def test_synchronise_device_state(
     headers = dict(list(manager.connection.recent_stream.headers.items()))
 
     assert headers == {
-        b':method': b'GET',
+        b':method': b'POST',
         b':scheme': b'https',
         b':authority': b'avs-alexa-eu.amazon.com',
         b':path': b'/v20160207/events',