diff --git a/MANIFEST.in b/MANIFEST.in
index 38cadc48..438d9f6e 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -2,7 +2,6 @@ include README.rst
 include AUTHORS
 include LICENSE
 include MANIFEST.in
-include tox.ini
 include requirements.txt
 recursive-include tests *
 recursive-exclude docs *
diff --git a/dev-requirements.txt b/dev-requirements.txt
index 4f92f379..afc5a106 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -2,5 +2,5 @@
 
 pytest==5.4.3
 flake8==3.8.3
-pytest-timeout==1.3.3
+pytest-timeout==1.4.1
 pytest-aiohttp==0.3.0
diff --git a/requirements.txt b/requirements.txt
index 368791af..2fba1cd1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,10 +1,10 @@
 jsonschema==3.2.0
 aiohttp==3.6.2
 aiohttp-cors==0.7.0
-aiofiles==0.4.0
+aiofiles==0.5.0
 Jinja2>=2.7.3
 sentry-sdk>=0.14.4
-psutil==5.6.7
+psutil==5.7.0
 async-timeout==3.0.1
 distro>=1.3.0
-py-cpuinfo==5.0.0
+py-cpuinfo==6.0.0
diff --git a/setup.py b/setup.py
index 39665c36..8a0c2fc7 100644
--- a/setup.py
+++ b/setup.py
@@ -38,6 +38,7 @@ class PyTest(TestCommand):
         errcode = pytest.main(self.test_args)
         sys.exit(errcode)
 
+
 dependencies = open("requirements.txt", "r").read().splitlines()
 
 setup(
diff --git a/tox.ini b/tox.ini
deleted file mode 100644
index bd0fe746..00000000
--- a/tox.ini
+++ /dev/null
@@ -1,17 +0,0 @@
-[tox]
-envlist = py34
-
-[testenv]
-commands = python setup.py test
-deps = -rdev-requirements.txt
-
-[pep8]
-ignore = E501,E402,E265
-
-[flake8]
-ignore = E265,E501
-exclude = tests/*
-
-[pytest]
-norecursedirs = .tox
-timeout = 15
diff --git a/win-requirements.txt b/win-requirements.txt
index 851b9264..923d8682 100644
--- a/win-requirements.txt
+++ b/win-requirements.txt
@@ -1,4 +1,4 @@
 -rrequirements.txt
 
 pywin32>=223 # pyup: ignore
-wmi==1.4.9
+wmi==1.5.1