diff --git a/requirements-dev.txt b/requirements-dev.txt
index f06314101..dd51c2d4e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,6 @@
 pylint
 black
 pyopenssl
-jupyter
\ No newline at end of file
+jupyter
+codecov
+ipython
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 7fc3ee409..c073727c9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,30 +1,31 @@
-protobuf~=3.20
-urllib3>=1.26.3
-cloud-files>=1.25.2
+protobuf~=3.20  # 2022-06-29: Error "If this call came from a _pb2.py file, your generated code is out of date and must be regenerated with protoc >= 3.19.0."
 requests>=2.25.0
 grpcio>=1.36.1
-certifi>=2020.12.5
-cloud-volume==6.1.1
 numpy
 pandas
-networkx==2.1
+networkx>=2.1
 google-cloud-bigtable>=0.33.0
-google-cloud-datastore>=1.8<=2.0dev
+google-cloud-datastore>=1.8
 flask
 flask_cors
-codecov
-multiwrapper
 python-json-logger
 zstandard
 redis
 rq
+pyyaml
+cachetools
+werkzeug
+
+# PyPI only:
+cloud-files>=1.25.2
+cloud-volume>=6.1.1
+multiwrapper
 middle-auth-client>=3.11.0
 zmesh
 fastremap
-pyyaml
-cachetools
-task-queue==1.0.0
+task-queue
 messagingclient
-jsonschema<4.0
-importlib-metadata>=4.5.0
-dracopy<=0.0.19
+dracopy
+
+# Conda only - use requirements.yml (or install manually):
+# graph-tool
diff --git a/requirements.yml b/requirements.yml
new file mode 100644
index 000000000..ff31d789b
--- /dev/null
+++ b/requirements.yml
@@ -0,0 +1,10 @@
+name: pychunkedgraph
+channels:
+  - conda-forge
+dependencies:
+  - python~=3.7
+  - pip
+  - graph-tool-base
+  - uwsgi
+  - pip:
+    - -r requirements.txt
\ No newline at end of file
diff --git a/tox.ini b/tox.ini
index 6d9a0c6bd..9da3c4150 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,14 +1,13 @@
 [tox]
-envlist = py37dev
+envlist = py310
+requires = tox-conda
 
 [testenv]
 setenv = HOME = {env:HOME}
-usedevelop = true
-sitepackages = true
+
 deps = pytest
        pytest-cov
        pytest-mock
        pytest-timeout
-       numpy
+conda_env = requirements.yml
 commands = python -m pytest -v {posargs} ./pychunkedgraph/tests/
-install_command = {toxinidir}/tox_install_command.sh {opts} {packages}
diff --git a/tox_install_command.sh b/tox_install_command.sh
deleted file mode 100755
index 4fa3935a9..000000000
--- a/tox_install_command.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/bash
-
-pip install pip==18.1
-pip install --process-dependency-links "$@"
\ No newline at end of file