diff --git a/pyproject.toml b/pyproject.toml
index 09252b1..f59c2ab 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ dev = [
   "protovalidate>=0.7.1,<1.2.0",
   "grpc-stubs~=1.53",
   "grpcio-tools>=1.63,<1.81",
-  "mypy==1.20.0",
+  "mypy==1.20.1",
   "mypy-protobuf==5.0.0",
   "mock>=5.1.0,<6",
   "pytest>=7.1.3,<10.0.0",