diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 75eefaad..ddf844be 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -119,7 +119,7 @@ This section is intended for the project's maintainers and describes
 how to build and upload a new release. Once again,
 `[python setup.py] make [<alias>]` will help.
 Also consider `pip install`ing development utilities:
-`-r requirements-dev.txt` or `tqdm[dev]`.
+`pip install tqdm[dev]` at a minimum, or a more thorough `conda env create`.
 
 
 ## Pre-commit Hook
diff --git a/environment.yml b/environment.yml
new file mode 100644
index 00000000..484ea754
--- /dev/null
+++ b/environment.yml
@@ -0,0 +1,33 @@
+# development environment
+name: tqdm
+channels:
+- conda-forge
+- defaults
+dependencies:
+# base
+- python=3
+- pip
+- ipykernel
+- setuptools
+- setuptools_scm
+- toml
+# test env managers
+- tox
+- asv
+# tests (native)
+- pytest
+- pytest-cov
+- pytest-asyncio  # [py>=3.7]
+- flake8
+- coverage
+# extras
+- matplotlib
+- numpy
+- pandas
+- tensorflow
+- twine              # pymake pypi
+- argopt             # cd wiki && pymake
+- wheel              # setup.py bdist_wheel
+- pip:
+  - py-make >=0.1.0  # setup.py make/pymake
+  - pydoc-markdown   # cd docs && pymake
diff --git a/requirements-dev.txt b/requirements-dev.txt
deleted file mode 100644
index f7882f50..00000000
--- a/requirements-dev.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-py-make>=0.1.0  # setup.py make/pymake
-twine           # pymake pypi
-argopt          # cd wiki && pymake
-pydoc-markdown  # cd docs && pymake
-wheel           # setup.py bdist_wheel
diff --git a/setup.cfg b/setup.cfg
index 7343720b..601beb1e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -101,6 +101,8 @@ python_requires = >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*
 tests_require = pytest; flake8; coverage
 include_package_data = True
 packages = find:
+[options.extras_require]
+dev=py-make>=0.1.0; twine; wheel
 [options.entry_points]
 console_scripts =
     tqdm = tqdm.cli:main
diff --git a/setup.py b/setup.py
index a30f7963..65136e94 100755
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,5 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
-from io import open as io_open
 from setuptools import setup
 import os
 import sys
@@ -13,10 +12,4 @@ if sys.argv[1].lower().strip() == 'make':  # exec Makefile commands
     # Stop to avoid setup.py raising non-standard command error
     sys.exit(0)
 
-extras_require = {}
-requirements_dev = os.path.join(src_dir, 'requirements-dev.txt')
-with io_open(requirements_dev, mode='r') as fd:
-    extras_require['dev'] = [i.strip().split('#', 1)[0].strip()
-                             for i in fd.read().strip().split('\n')]
-
-setup(use_scm_version=True, extras_require=extras_require)
+setup(use_scm_version=True)