diff --git a/.travis.yml b/.travis.yml
index 2d5e2a1..f865e00 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,22 +2,30 @@ sudo: false
 dist: xenial
 language: python
 python:
-  - "2.7"
-  - "3.4"
-  - "3.5"
   - "3.6"
   - "3.7"
+  - "3.8"
 
 addons:
   apt:
     packages:
+      - curl
       - make
 
+cache:
+  pip: true
+  directories:
+    - "$HOME/.cache/pypoetry"
+
 install:
-  - make ci-install
+  - pip install --upgrade pip
+  - curl -sSL https://raw.githubusercontent.com/sdispater/poetry/master/get-poetry.py > get-poetry.py
+  - python get-poetry.py -y
+  - source $HOME/.poetry/env
+  - poetry install
 
 script:
-  - make ci-test
+  - poetry run pytest --cov=./xoinvader --cov-report=xml -s -v xoinvader/tests
 
 after_success:
   - codecov
diff --git a/MANIFEST.in b/MANIFEST.in
deleted file mode 100644
index 1f49858..0000000
--- a/MANIFEST.in
+++ /dev/null
@@ -1,3 +0,0 @@
-include README.rst
-include LICENSE
-recursive-include xoinvader res/gfx/* res/snd/* config/*
diff --git a/Makefile b/Makefile
index b31421a..1e47baa 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,4 @@
 DOCPATH    = ./docs
-PYVERSION ?= 3
-VENV      ?= .venv
-VENV_CMD   = virtualenv --python=python$(PYVERSION)
-PYTHON    ?= $(VENV)/bin/python$(PYVERSION)
-PYTEST     = $(VENV)/bin/py.test
 COV_FMT   ?= html
 PIP       ?= $(VENV)/bin/pip
 RM         = rm -f
@@ -12,45 +7,33 @@ all: help
 
 clean:
 	$(RM) -r *~ ./xoinvader/*~ ./xoinvader/tests/*~ ./xoinvader/*.pyc ./xoinvader/tests/*.pyc ./dist ./build
-	$(RM) -r $(VENV) *.egg-info
+	$(RM) -r *.egg-info
 	$(RM) -r ./htmlcov ./docs/build/
 
 install:
 	$(PIP) install .
 
 devel:
-	$(VENV_CMD) $(VENV)
-	$(PIP) install -r requirements.txt
-	$(PIP) install -r dev-requirements.txt
-	$(PIP) install -e .
-
-# CI isolates virtualenvs itself, we don't have to think about it
-ci-install:
-	pip install -r requirements.txt
-	pip install -r dev-requirements.txt
-	pip install .
-
-ci-test:
-	py.test --cov=./xoinvader --cov-report=xml --strict -v
+	poetry install
 
 help:
 	@printf "USAGE: make [params]\n"
 
 lint:
 	@printf "Warnings are disabled. To full check use 'make lint-full'\n"
-	@$(PYTEST) --pylint -m pylint -vvvv $(PYTEST_ARGS) --pylint-error-types CREF
+	poetry run pytest --pylint -m pylint -vvvv $(PYTEST_ARGS) --pylint-error-types CREF
 
 lint-full:
-	@$(PYTEST) --pylint -m pylint -vvvv $(PYTEST_ARGS) --pylint-error-types CREWF
+	poetry run pytest --pylint -m pylint -vvvv $(PYTEST_ARGS) --pylint-error-types CREWF
 
 test:
-	@$(PYTEST) --cov=./xoinvader --cov-report=$(COV_FMT) --strict -v $(PYTEST_ARGS)
+	poetry run pytest --cov=./xoinvader --cov-report=$(COV_FMT) --strict -v $(PYTEST_ARGS)
 
 view_cov: test
 	@xdg-open ./htmlcov/index.html
 
 docs:
-	$(MAKE) -C $(DOCPATH) -f Makefile html SPHINXBUILD="$(CURDIR)/$(VENV)/bin/sphinx-build"
+	poetry run $(MAKE) -C $(DOCPATH) -f Makefile html SPHINXBUILD=sphinx-build
 
 view_docs: docs
 	@xdg-open $(DOCPATH)/build/html/index.html
diff --git a/dev-requirements.txt b/dev-requirements.txt
deleted file mode 100644
index ba4622d..0000000
--- a/dev-requirements.txt
+++ /dev/null
@@ -1,9 +0,0 @@
-codecov
-coverage
-flake8
-pytest
-pylint
-pytest-coverage
-pytest-pylint
-sphinx
-tox
diff --git a/pyproject.toml b/pyproject.toml
index 7ee018a..4ec37fa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "xoinvader"
-version = "0.1.2"
+version = "0.1.3"
 description = "(not so) small python curses space game"
 authors = ["Pavel Kulyov <kulyov.pavel@gmail.com>"]
 license = "MIT"
@@ -15,8 +15,8 @@ keywords = ["curses", "space", "game"]
 classifiers = [
     "Development Status :: 3 - Alpha",
     "Environment :: Console :: Curses",
-    "Environment :: X11 Applications", 
-   "Intended Audience :: Developers",
+    "Environment :: X11 Applications",
+    "Intended Audience :: Developers",
     "Intended Audience :: Education",
     "Intended Audience :: End Users/Desktop",
     "License :: OSI Approved :: MIT License",
@@ -33,7 +33,7 @@ classifiers = [
 xoigame = "xoinvader.game:main"
 
 [tool.poetry.dependencies]
-python = "~2.7 || ^3.4"
+python = "^3.6"
 tornado = "^4"
 pygame = "*"
 six = "*"
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index b6e0e0b..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-six
-tornado>=4,<5
-pygame>=1.9,<2
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 072568f..0000000
--- a/setup.py
+++ /dev/null
@@ -1,54 +0,0 @@
-"""Setup manifest for XOInvader."""
-
-import os
-
-from setuptools import setup, find_packages
-
-
-BASEDIR = os.path.abspath(os.path.dirname(__file__))
-
-
-def read(filename):
-    """Read description."""
-    with open(os.path.join(BASEDIR, filename)) as fd:
-        return fd.read()
-
-
-# TODO: Think about pygame installing.
-
-setup(
-    name="XOInvader",
-    description="Curses/Pygame space game",
-    version="0.1.2",
-    author="Pavel Kulyov",
-    author_email="kulyov.pavel@gmail.com",
-    long_description=read("README.rst"),
-    url="http://www.g-v.im/",
-    packages=find_packages(),
-    license="MIT",
-    include_package_data=True,
-    platforms="Posix",
-    install_requires=[],
-
-    entry_points="""
-    [console_scripts]
-    xoigame = xoinvader.game:main
-    """,
-
-    classifiers=[
-        "Development Status :: 3 - Alpha",
-        "Environment :: Console :: Curses",
-        "Environment :: X11 Applications",
-        "Intended Audience :: Developers",
-        "Intended Audience :: Education",
-        "Intended Audience :: End Users/Desktop",
-        "License :: OSI Approved :: MIT License",
-        "Natural Language :: English",
-        "Operating System :: POSIX :: Linux",
-        "Programming Language :: Python :: 2.7",
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: Implementation :: CPython",
-        "Topic :: Games/Entertainment :: Arcade",
-        "Topic :: Software Development :: Libraries :: pygame",
-    ]
-)
diff --git a/xoinvader/__init__.py b/xoinvader/__init__.py
index fc62881..8a223b6 100644
--- a/xoinvader/__init__.py
+++ b/xoinvader/__init__.py
@@ -15,7 +15,7 @@
 from .utils import setup_logger
 
 
-__version__ = "0.1.2"
+__version__ = "0.1.3"
 
 
 class XOInitializationError(Exception):