diff --git a/dev-requirements.txt b/dev-requirements.txt
index 7e82164..dc9b771 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,7 +1,7 @@
 autopep8==1.4.4
 beautifulsoup4==4.7.1
 bleach==3.1.0
-certifi==2019.3.9
+certifi==2022.12.7
 chardet==3.0.4
 Click==7.0
 docutils==0.14