diff --git a/pyproject.toml b/pyproject.toml
index 7a8572e..cfdbac6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,7 @@ types-redis = "^4.3.21.6"
 types-pytz = "^2023.3.0.0"
 black = "^23.1.0"
 types-chardet = "^5.0.4.6"
-mypy-protobuf = "^3.0.0"
+mypy-protobuf = "^4.0.0"
 
 
 [tool.autopep8]