diff --git a/requirements_test.txt b/requirements_test.txt
index baaa332..60fc875 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -3,7 +3,7 @@ black==22.10.0
 flake8==6.0.0
 isort==5.10.1
 mypy==0.991
-types-protobuf==3.20.4.6
+types-protobuf==4.21.0.1
 pytest>=6.2.4,<8
 pytest-asyncio>=0.15.1,<1
 mock>=4.0.3,<5