diff --git a/requirements.txt b/requirements.txt
index 88442f8..dd83e8e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 bleach==3.1.0
 bottle==0.12.16
-certifi==2019.3.9
+certifi==2022.12.7
 chardet==3.0.4
 defusedxml==0.5.0
 diff-match-patch==20181111