diff --git a/requirements_dev.txt b/requirements_dev.txt
index db785e2..8d44160 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -5,7 +5,7 @@ attrs==19.1.0
 Babel==2.6.0
 bleach==3.1.4
 bumpversion==0.5.3
-certifi==2019.3.9
+certifi==2022.12.7
 chardet==3.0.4
 colorama==0.4.1
 coverage==4.5.3