diff --git a/requirements.txt b/requirements.txt
index 3026046..65799ca 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 bleach==3.0.2
-certifi==2018.10.15
+certifi==2022.12.7
 chardet==3.0.4
 coverage==4.5.1
 docutils==0.14