diff --git a/setup.cfg b/setup.cfg
index abf74e1a4..d2aaf72d2 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -152,7 +152,7 @@ tests =
     # and, protected method calls in our tests
     pylint-plugin-utils==0.6
     # type-checking
-    mypy==0.920
+    mypy==0.921
     types-requests==2.26.2
     types-tabulate==0.8.3
     types-toml==0.10.1