diff --git a/pyproject.toml b/pyproject.toml
index e82b11cf8..1ad804661 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,7 +38,7 @@ dev = [
     "pytest-asyncio>=0.24.0",
     "pytest-cov>=5.0.0",
     "ruff>=0.6.0",
-    "mypy>=1.11.0",
+    "mypy>=1.20.2",
     "pre-commit>=3.8.0",
 ]