diff --git a/pyproject.toml b/pyproject.toml
index 865bd63..d1fa093 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ license = "MIT"
 dev = [
     "build",
     "codespell==2.4.1",
-    "mypy==1.16.0",
+    "mypy==1.20.0",
     "pip-audit",
     "pre-commit",
     "pytest",