diff --git a/requirements_test.txt b/requirements_test.txt
index 44041ee..a1b4b56 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -3,7 +3,7 @@ black==21.6b0
 flake8==3.9.2
 isort==5.9.2
 mypy==0.910
-types-protobuf==3.17.0
+types-protobuf==3.17.3
 pytest>=6.2.4,<7
 pytest-asyncio>=0.15.1,<1
 mock>=4.0.3,<5