diff --git a/pyproject.toml b/pyproject.toml
index 76b76210..7230f510 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -64,7 +64,7 @@ dev = [
   "mypy==v0.910 ; python_version<'3.6'",
   "mypy==v0.971 ; python_version>='3.6' and python_version<'3.7'",
   "mypy==v1.4.1 ; python_version>='3.7' and python_version<'3.8'",
-  "mypy==v1.10.0 ; python_version>='3.8'",
+  "mypy==v1.11.1 ; python_version>='3.8'",
   # Docs.
   "Sphinx==7.3.7 ; python_version>='3.9'",
   "sphinx-autobuild==2024.4.16 ; python_version>='3.9'",