diff --git a/.gitignore b/.gitignore
index a9d47db..533ef3c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,7 @@
 *_flymake
 .coverage
 .DS_Store
+.eggs/
 .pytest_cache/
 .ropeproject/
 .tox/
diff --git a/docs/conf.py b/docs/conf.py
index 87d1cd1..dfa0ca5 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,18 +1,14 @@
 import os
-import re
 import sys
 
 import alabaster
-from setuptools.config import read_configuration
+from pkg_resources import get_distribution
 
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 sys.path.append(os.path.abspath('..'))
 
-conf_dict = read_configuration('../setup.cfg')
-__version__ = conf_dict['metadata']['version']
-
 # -- General configuration ----------------------------------------------------
 
 # If your documentation needs a minimal Sphinx version, state it here.
@@ -49,9 +45,10 @@ copyright = '2012-2019, Simon Conseil'
 # built documents.
 #
 # The short X.Y version.
-version = re.match(r'\d+\.\d+', __version__).group()
-# The full version, including alpha/beta/rc tags.
-release = __version__
+release = get_distribution('sigal').version
+# for example take major/minor
+version = '.'.join(release.split('.')[:2])
+
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/setup.cfg b/setup.cfg
index 8ff3ebb..825e7b0 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,5 @@
 [metadata]
 name = sigal
-version = attr: sigal.__version__
 description = Simple static gallery generator
 long_description = file: README.rst
 author = Simon Conseil
@@ -8,6 +7,7 @@ author_email = contact@saimon.org
 url = https://github.com/saimn/sigal
 keywords = gallery, static, generator, image, video, galleria
 license = MIT License
+license_file = LICENSE
 classifiers =
     Development Status :: 5 - Production/Stable
     Environment :: Console
@@ -26,6 +26,8 @@ zip_safe = False
 include_package_data = True
 packages = find:
 python_requires = >=3.5
+setup_requires =
+    setuptools_scm
 install_requires =
     blinker
     click
diff --git a/setup.py b/setup.py
index f30a037..a936873 100644
--- a/setup.py
+++ b/setup.py
@@ -4,4 +4,4 @@ from setuptools import setup
 if sys.version_info[:2] < (3, 5):
     sys.exit('Sigal supports Python 3.5+ only')
 
-setup()
+setup(use_scm_version=True)
diff --git a/sigal/__init__.py b/sigal/__init__.py
index 90b5cd5..500456c 100644
--- a/sigal/__init__.py
+++ b/sigal/__init__.py
@@ -29,13 +29,19 @@ import time
 
 from click import argument, option
 from http import server
+from pkg_resources import get_distribution, DistributionNotFound
 
 from .gallery import Gallery
 from .log import init_logging
 from .settings import read_settings
 from .utils import copy
 
-__version__ = '2.1.dev'
+try:
+    __version__ = get_distribution(__name__).version
+except DistributionNotFound:
+    # package is not installed
+    pass
+
 __url__ = 'https://github.com/saimn/sigal'
 
 _DEFAULT_CONFIG_FILE = 'sigal.conf.py'