diff --git a/requirements-dev.txt b/requirements-dev.txt
index ab2cc1e..9be73a8 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -46,7 +46,7 @@ mdurl==0.1.2
     # via markdown-it-py
 more-itertools==10.7.0
     # via inflect
-mypy==1.17.1
+mypy==1.20.2
     # via -r requirements-dev.in
 mypy-extensions==1.1.0
     # via