diff --git a/Tools/requirements-dev.txt b/Tools/requirements-dev.txt
index add28b1bb38183..7e2dfdeabacbbf 100644
--- a/Tools/requirements-dev.txt
+++ b/Tools/requirements-dev.txt
@@ -1,6 +1,6 @@
 # Requirements file for external linters and checks we run on
 # Tools/clinic, Tools/cases_generator/, and Tools/peg_generator/ in CI
-mypy==1.5.1
+mypy==1.8.0
 
 # needed for peg_generator:
 types-psutil==5.9.5.16