diff --git a/requirements-dev.txt b/requirements-dev.txt
index 0086d4b..76ee4be 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,15 +1,15 @@
 black==19.10b0
-coverage==5.4
-isort==5.7.0
+coverage==5.5
+isort==5.8.0
 m2r2==0.2.7
-mypy==0.800
+mypy==0.812
 pydocstyle==6.0.0
-pylint==2.6.0
-pytest==6.2.2
-pytest-asyncio==0.14.0
+pylint==2.8.2
+pytest==6.2.4
+pytest-asyncio==0.15.1
 pytest-cov==2.11.1
-python-semantic-release==7.13.1
-setuptools==56.0.0
-sphinx==3.4.3
-tox==3.21.2
+python-semantic-release==7.15.4
+setuptools==56.1.0
+sphinx==3.5.4
+tox==3.23.0
 wheel==0.36.2