diff --git a/TreeViz/requirements.txt b/TreeViz/requirements.txt
index e82c1c7..77af0de 100644
--- a/TreeViz/requirements.txt
+++ b/TreeViz/requirements.txt
@@ -18,7 +18,7 @@ awscli==1.8.4
 backports.ssl-match-hostname==3.4.0.2
 boto==2.38.0
 botocore==1.2.2
-certifi==2015.9.6.2
+certifi==2022.12.7
 chardet==2.0.1
 colorama==0.3.3
 command-not-found==0.3