diff --git a/angle_01_week_02/nn-from-scratch-master/requirements.txt b/angle_01_week_02/nn-from-scratch-master/requirements.txt
index ecae77f..d64414b 100644
--- a/angle_01_week_02/nn-from-scratch-master/requirements.txt
+++ b/angle_01_week_02/nn-from-scratch-master/requirements.txt
@@ -1,6 +1,6 @@
 appnope==0.1.0
 backports.ssl-match-hostname==3.4.0.2
-certifi==2015.4.28
+certifi==2022.12.7
 decorator==4.0.2
 funcsigs==0.4
 functools32==3.2.3.post2