diff -Nru msgfy-0.0.5/debian/changelog msgfy-0.0.6/debian/changelog
--- msgfy-0.0.5/debian/changelog	2019-04-30 07:42:20.000000000 +0000
+++ msgfy-0.0.6/debian/changelog	2019-05-01 14:34:40.000000000 +0000
@@ -1,3 +1,9 @@
+msgfy (0.0.6-1ppa1) bionic; urgency=low
+
+  * Bump version
+
+ -- Tsuyoshi Hombashi <tsuyoshi.hombashi@gmail.com>  Wed, 01 May 2019 23:34:40 +0900
+
 msgfy (0.0.5-1ppa2) bionic; urgency=low
 
   * Modify packaging
diff -Nru msgfy-0.0.5/.gitignore msgfy-0.0.6/.gitignore
--- msgfy-0.0.5/.gitignore	2019-01-15 10:38:51.000000000 +0000
+++ msgfy-0.0.6/.gitignore	2019-05-01 14:32:47.000000000 +0000
@@ -20,6 +20,8 @@
 sdist/
 var/
 wheels/
+pip-wheel-metadata/
+share/python-wheels/
 *.egg-info/
 .installed.cfg
 *.egg
@@ -38,6 +40,7 @@
 # Unit test / coverage reports
 htmlcov/
 .tox/
+.nox/
 .coverage
 .coverage.*
 .cache
@@ -108,3 +111,12 @@
 .mypy_cache/
 .dmypy.json
 dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# User settings
+_sandbox/
+*_profile
+Untitled.ipynb
+
diff -Nru msgfy-0.0.5/Makefile msgfy-0.0.6/Makefile
--- msgfy-0.0.5/Makefile	2019-01-15 10:38:51.000000000 +0000
+++ msgfy-0.0.6/Makefile	2019-05-01 14:32:47.000000000 +0000
@@ -1,17 +1,34 @@
-BUILD_DIR := build
+PACKAGE := msgfy
 
 
 .PHONY: build
 build:
 	@make clean
 	@python setup.py build
-	@rm -rf $(BUILD_DIR)/
+	@twine check dist/*
+	@python setup.py clean --all
+	ls -lh dist/*
 
 .PHONY: clean
 clean:
-	@rm -rf $(BUILD_DIR)/ dist/ .eggs/ .pytest_cache/ .tox/ **/*/__pycache__/ *.egg-info/
+	@rm -rf $(PACKAGE)-*.*.*/ \
+		dist/ \
+		pip-wheel-metadata/ \
+		.eggs/ \
+		.pytest_cache/ \
+		.tox/ \
+		**/*/__pycache__/ \
+		*.egg-info/
+	@python setup.py clean --all
+	@find . -not -path '*/\.*' -type f | grep -E .+\.py\.[a-z0-9]{32,}\.py$ | xargs -r rm
 
 .PHONY: fmt
 fmt:
 	@black $(CURDIR)
+	@autoflake --in-place --recursive --remove-all-unused-imports --exclude "__init__.py" .
 	@isort --apply --recursive
+
+.PHONY: release
+release:
+	@python setup.py release --sign
+	@make clean
diff -Nru msgfy-0.0.5/msgfy/__version__.py msgfy-0.0.6/msgfy/__version__.py
--- msgfy-0.0.5/msgfy/__version__.py	2019-01-15 10:38:51.000000000 +0000
+++ msgfy-0.0.6/msgfy/__version__.py	2019-05-01 14:32:47.000000000 +0000
@@ -6,6 +6,6 @@
 __author__ = "Tsuyoshi Hombashi"
 __copyright__ = "Copyright 2018-{}, {}".format(datetime.now().year, __author__)
 __license__ = "MIT License"
-__version__ = "0.0.5"
+__version__ = "0.0.6"
 __maintainer__ = __author__
 __email__ = "tsuyoshi.hombashi@gmail.com"
diff -Nru msgfy-0.0.5/README.rst msgfy-0.0.6/README.rst
--- msgfy-0.0.5/README.rst	2019-01-15 10:38:51.000000000 +0000
+++ msgfy-0.0.6/README.rst	2019-05-01 14:32:47.000000000 +0000
@@ -114,10 +114,22 @@
 
 Installation
 ====================================
+
+Install from PyPI
+------------------------------
 ::
 
     pip install msgfy
 
+Install from PPA (for Ubuntu)
+------------------------------
+::
+
+    sudo add-apt-repository ppa:thombashi/ppa
+    sudo apt update
+    sudo apt install python3-msgfy
+
+
 Dependencies
 ====================================
 Python 2.7+ or 3.4+
diff -Nru msgfy-0.0.5/setup.cfg msgfy-0.0.6/setup.cfg
--- msgfy-0.0.5/setup.cfg	2019-01-15 10:38:51.000000000 +0000
+++ msgfy-0.0.6/setup.cfg	2019-05-01 14:32:47.000000000 +0000
@@ -2,5 +2,5 @@
 build=sdist bdist_wheel
 test=pytest
 
-[wheel]
+[bdist_wheel]
 universal = 1
diff -Nru msgfy-0.0.5/setup.py msgfy-0.0.6/setup.py
--- msgfy-0.0.5/setup.py	2019-01-15 10:38:51.000000000 +0000
+++ msgfy-0.0.6/setup.py	2019-05-01 14:32:47.000000000 +0000
@@ -65,14 +65,14 @@
         "Source": REPOSITORY_URL,
         "Tracker": "{:s}/issues".format(REPOSITORY_URL),
     },
-    python_requires='>=2.7,!=3.0.*,!=3.1.*,!=3.2.*',
+    python_requires=">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*",
 
     install_requires=SETUPTOOLS_REQUIRES,
     setup_requires=SETUPTOOLS_REQUIRES + PYTEST_RUNNER_REQUIRES,
     tests_require=TESTS_REQUIRES,
     extras_require={
-        "build": ["wheel"],
-        "release": ["releasecmd>=0.0.12,<0.1.0"],
+        "build": ["twine", "wheel"],
+        "release": ["releasecmd>=0.0.18,<0.1.0"],
         "test": TESTS_REQUIRES,
     },
 
@@ -85,7 +85,6 @@
         "Programming Language :: Python :: 2",
         "Programming Language :: Python :: 2.7",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.4",
         "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
diff -Nru msgfy-0.0.5/tox.ini msgfy-0.0.6/tox.ini
--- msgfy-0.0.5/tox.ini	2019-01-15 10:38:51.000000000 +0000
+++ msgfy-0.0.6/tox.ini	2019-05-01 14:32:47.000000000 +0000
@@ -1,5 +1,5 @@
 [tox]
-envlist = python{2.7,3.4,3.5,3.6,3.7},cov
+envlist = python{2.7,3.5,3.6,3.7},cov
 
 [testenv]
 deps =
diff -Nru msgfy-0.0.5/.travis.yml msgfy-0.0.6/.travis.yml
--- msgfy-0.0.5/.travis.yml	2019-01-15 10:38:51.000000000 +0000
+++ msgfy-0.0.6/.travis.yml	2019-05-01 14:32:47.000000000 +0000
@@ -10,11 +10,6 @@
           env: TOXENV=python2.7
 
         - os: linux
-          python: 3.4
-          sudo: required
-          env: TOXENV=python3.4
-
-        - os: linux
           python: 3.5
           sudo: required
           env: TOXENV=python3.5