diff --git a/README.md b/README.md
index 8e86772..184d979 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,7 @@ See [comparison with other PDF table extraction libraries and tools](https://git
 After [installing the dependencies](https://camelot-py.readthedocs.io/en/latest/user/install.html) ([tk](https://packages.ubuntu.com/trusty/python-tk) and [ghostscript](https://www.ghostscript.com/)), you can simply use pip to install Camelot:
 
 <pre>
-$ pip install camelot-py
+$ pip install camelot-py[all]
 </pre>
 
 ### Alternatively
@@ -74,7 +74,7 @@ and install Camelot using pip:
 
 <pre>
 $ cd camelot
-$ pip install .
+$ pip install ".[all]"
 </pre>
 
 **Note:** Use a [virtualenv](https://virtualenv.pypa.io/en/stable/) if you don't want to affect your global Python installation.
diff --git a/camelot/__version__.py b/camelot/__version__.py
index 855e8c8..a6f488e 100644
--- a/camelot/__version__.py
+++ b/camelot/__version__.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-VERSION = (0, 2, 1)
+VERSION = (0, 2, 2)
 
 __title__ = 'camelot-py'
 __description__ = 'PDF Table Extraction for Humans.'
diff --git a/docs/user/install.rst b/docs/user/install.rst
index 99c73cf..0d8318b 100644
--- a/docs/user/install.rst
+++ b/docs/user/install.rst
@@ -76,12 +76,12 @@ Or for Windows 32-bit::
 
 If you have ghostscript, you should see the ghostscript version and copyright information.
 
-$ pip install camelot-py
-------------------------
+$ pip install camelot-py[all]
+-----------------------------
 
 After installing the dependencies, you can simply use pip to install Camelot::
 
-    $ pip install camelot-py
+    $ pip install camelot-py[all]
 
 Get the source code
 -------------------
@@ -97,4 +97,4 @@ Alternatively, you can install from the source by:
 ::
 
     $ cd camelot
-    $ pip install .
\ No newline at end of file
+    $ pip install ".[all]"
\ No newline at end of file
diff --git a/requirements-dev.txt b/requirements-dev.txt
deleted file mode 100644
index 57c1892..0000000
--- a/requirements-dev.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-codecov==2.0.15
-pytest==3.8.0
-pytest-cov==2.6.0
-pytest-runner==4.2
-Sphinx==1.7.9
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 20bd683..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-click==6.7
-matplotlib==2.2.3
-numpy==1.15.2
-opencv-python==3.4.2.17
-openpyxl==2.5.8
-pandas==0.23.4
-pdfminer.six==20170720
-PyPDF2==1.26.0
diff --git a/setup.py b/setup.py
index 02a8199..23edc7d 100644
--- a/setup.py
+++ b/setup.py
@@ -13,17 +13,31 @@ with open('README.md', 'r') as f:
     readme = f.read()
 
 
+requires = [
+    'click==6.7',
+    'matplotlib==2.2.3',
+    'numpy==1.15.2',
+    'openpyxl==2.5.8',
+    'pandas==0.23.4',
+    'pdfminer.six==20170720',
+    'PyPDF2==1.26.0'
+]
+
+all_requires = [
+    'opencv-python==3.4.2.17'
+]
+
+dev_requires = [
+    'codecov==2.0.15',
+    'pytest==3.8.0',
+    'pytest-cov==2.6.0',
+    'pytest-runner==4.2',
+    'Sphinx==1.7.9'
+]
+dev_requires = dev_requires + all_requires
+
+
 def setup_package():
-    reqs = []
-    with open('requirements.txt', 'r') as f:
-        for line in f:
-            reqs.append(line.strip())
-
-    dev_reqs = []
-    with open('requirements-dev.txt', 'r') as f:
-        for line in f:
-            dev_reqs.append(line.strip())
-
     metadata = dict(name=about['__title__'],
                     version=about['__version__'],
                     description=about['__description__'],
@@ -34,9 +48,10 @@ def setup_package():
                     author_email=about['__author_email__'],
                     license=about['__license__'],
                     packages=find_packages(exclude=('tests',)),
-                    install_requires=reqs,
+                    install_requires=requires,
                     extras_require={
-                        'dev': dev_reqs
+                        'all': all_requires,
+                        'dev': dev_requires
                     },
                     entry_points={
                         'console_scripts': [