diff --git a/tests/requirements-mypy.txt b/tests/requirements-mypy.txt
index 68949c512..cdac66305 100644
--- a/tests/requirements-mypy.txt
+++ b/tests/requirements-mypy.txt
@@ -1 +1 @@
-mypy==0.910; implementation_name == "cpython"
+mypy==0.990; implementation_name == "cpython"