diff --git a/requirements-dev.txt b/requirements-dev.txt
index bd95483..7f768b9 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,14 +2,14 @@ black==19.10b0
 coverage==5.4
 isort==5.7.0
 m2r2==0.2.7
-mypy==0.800
+mypy==0.812
 pydocstyle==5.1.1
-pylint==2.6.0
+pylint==2.6.2
 pytest==6.2.2
 pytest-asyncio==0.14.0
 pytest-cov==2.11.1
-python-semantic-release==7.13.1
+python-semantic-release==7.15.0
 setuptools==52.0.0
-sphinx==3.4.3
-tox==3.21.2
+sphinx==3.5.1
+tox==3.22.0
 wheel==0.36.2