diff --git a/debian-cheminformatics/requirements.txt b/debian-cheminformatics/requirements.txt
index 2b7bf410..7352bc2e 100644
--- a/debian-cheminformatics/requirements.txt
+++ b/debian-cheminformatics/requirements.txt
@@ -4,7 +4,7 @@ backports-abc==0.5
 biopython==1.73
 bleach==3.1.0
 celery==4.3.0
-certifi==2019.6.16
+certifi==2022.12.7
 chardet==3.0.4
 cobra==0.15.3
 colorama==0.4.1