diff --git a/requirements.txt b/requirements.txt
index d7c4be3..890fb13 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ beautifulsoup4==4.8.2
 bs4==0.0.1
 cached-property==1.5.1
 cachetools==4.0.0
-certifi==2019.11.28
+certifi==2022.12.7
 chardet==3.0.4
 commonmark==0.9.1
 dictdiffer==0.8.1