diff --git a/tests/requirements.txt b/tests/requirements.txt
index b1073ba..cfe03c7 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -5,7 +5,7 @@ Cython==0.29.11;sys_platform!='win32'
 flake8==3.7.8
 flake8-quotes==2.0.1
 isort==4.3.21
-mypy==0.711
+mypy==0.720
 pycodestyle==2.5.0
 pyflakes==2.1.1
 pytest==5.0.0