diff --git a/requirements.txt b/requirements.txt
index 859ec4e9..17b6d369 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -193,7 +193,7 @@ matplotlib-inline==0.1.7
     #   ipython
 mistune==3.0.2
     # via nbconvert
-mypy==1.11.2
+mypy==1.12.1
     # via broadbean (pyproject.toml)
 mypy-extensions==1.0.0
     # via mypy