diff --git a/requirements_test.txt b/requirements_test.txt
index c921811..0195e59 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -2,7 +2,7 @@ pylint==2.12.2
 black==22.1.0
 flake8==4.0.1
 isort==5.10.1
-mypy==0.931
+mypy==0.940
 types-protobuf==3.19.12
 pytest>=6.2.4,<8
 pytest-asyncio>=0.15.1,<1