diff --git a/setup.cfg b/setup.cfg
index 5ba97651ae..cd56552acd 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -58,3 +58,6 @@ zuul_base =
     psycopg2-binary
     yappi
     objgraph
+
+[mypy]
+allow_redefinition = True
diff --git a/tox.ini b/tox.ini
index 97aa3e64d3..7a1802d337 100644
--- a/tox.ini
+++ b/tox.ini
@@ -55,7 +55,7 @@ install_command = pip install {opts} {packages}
 # type checking on the world - just on ourselves.
 deps =
   flake8
-  mypy<0.740
+  mypy<0.790
   openapi-spec-validator
 commands =
   flake8 {posargs}