diff --git a/pyproject.toml b/pyproject.toml
index a78eb114a..508ccbb59 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [build-system]
 build-backend = "setuptools.build_meta"
 requires = [
-  "mypy==1.17.1",
+  "mypy==1.18.1",
   "packaging>=21,<26",
   "beartype>=0.20",
   "pympler>1,<2",
diff --git a/requirements/dev.txt b/requirements/dev.txt
index 3748404a8..86594bafd 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -2,7 +2,7 @@
 -r publishing.txt
 -r recipes.txt
 ruff
-mypy==1.17.1; implementation_name!='pypy'
+mypy==1.18.1; implementation_name!='pypy'
 redis>=4.2.0
 twine
 types-deprecated