diff --git a/requirements-dev.txt b/requirements-dev.txt
index 80fe2b8..d9aa0ff 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -12,7 +12,7 @@ coverage==7.*
 # typechecking
 # pyre-check==0.9.*
 # pyright==1.*
-mypy==1.16.*
+mypy==1.18.*
 typing-extensions==4.*
 pytype==2024.10.11