diff --git a/requirements.txt b/requirements.txt
index 2f459e53..576e1f39 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ flake8-bugbear==21.4.3
 flake8-pie==0.15.0; python_version>='3.7'
 isort==5.9.3
 mypy==0.910
-types-certifi==0.1.4
+types-certifi==2021.10.8.0
 pytest==6.2.4
 pytest-asyncio==0.15.1
 pytest-trio==0.7.0