diff --git a/python-sdk/pyproject.toml b/python-sdk/pyproject.toml
index bf597d34..bad46292 100644
--- a/python-sdk/pyproject.toml
+++ b/python-sdk/pyproject.toml
@@ -33,7 +33,7 @@ nwc = [
 dev = [
     "pytest>=8.0",
     "pytest-asyncio>=0.23",
-    "mypy>=1.10",
+    "mypy>=1.20.2",
     "ruff>=0.5",
     "respx>=0.21",
     "cryptography>=42",