diff --git a/assignment1/requirements.txt b/assignment1/requirements.txt
index 1311138..99e0ce4 100644
--- a/assignment1/requirements.txt
+++ b/assignment1/requirements.txt
@@ -5,7 +5,7 @@ Pygments==2.0.2
 appnope==0.1.0
 backports-abc==0.4
 backports.ssl-match-hostname==3.5.0.1
-certifi==2015.11.20.1
+certifi==2022.12.7
 cycler==0.9.0
 decorator==4.0.6
 functools32==3.2.3-2