diff --git a/changelog.d/8600.misc b/changelog.d/8600.misc
new file mode 100644
index 000000000..a5a922e64
--- /dev/null
+++ b/changelog.d/8600.misc
@@ -0,0 +1 @@
+Update `mypy` static type checker to 0.790.
diff --git a/setup.py b/setup.py
index 494f50239..2f4a3170d 100755
--- a/setup.py
+++ b/setup.py
@@ -102,7 +102,7 @@ CONDITIONAL_REQUIREMENTS["lint"] = [
     "flake8",
 ]
 
-CONDITIONAL_REQUIREMENTS["mypy"] = ["mypy==0.790", "mypy-zope"]
+CONDITIONAL_REQUIREMENTS["mypy"] = ["mypy==0.790", "mypy-zope==0.2.8"]
 
 # Dependencies which are exclusively required by unit test code. This is
 # NOT a list of all modules that are necessary to run the unit tests.