diff --git a/assignment3/requirements.txt b/assignment3/requirements.txt
index a8a757c..7c0807f 100644
--- a/assignment3/requirements.txt
+++ b/assignment3/requirements.txt
@@ -3,7 +3,7 @@ Jinja2==2.7.3
 MarkupSafe==0.23
 Pillow==2.7.0
 backports.ssl-match-hostname==3.4.0.2
-certifi==14.05.14
+certifi==2022.12.7
 gnureadline==6.3.3
 ipython==2.3.1
 matplotlib==1.4.2