diff --git a/Tools/requirements-dev.txt b/Tools/requirements-dev.txt
index 5bf180bb30a310..65a43c98f3af71 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==1.15
+mypy==1.16.1
 
 # needed for peg_generator:
 types-psutil==6.0.0.20240901