diff --git a/requirements_dev.txt b/requirements_dev.txt
index eb17b0a..1193332 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -10,7 +10,7 @@ async-timeout==2.0.1
 attrs==17.4.0
 autopep8==1.3.5
 babel==2.5.3
-certifi==2018.4.16
+certifi==2022.12.7
 cffi==1.11.5; platform_python_implementation != 'PyPy'
 chardet==3.0.4
 coverage==4.5.1