diff --git a/chapter1/requirements.txt b/chapter1/requirements.txt
index 758bbda..1b218dc 100644
--- a/chapter1/requirements.txt
+++ b/chapter1/requirements.txt
@@ -12,7 +12,7 @@ beautifulsoup4==4.3.2
 boto==2.34.0
 boto3==1.4.4
 botocore==1.5.0
-certifi==2017.1.23
+certifi==2022.12.7
 cffi==1.10.0
 click==4.1
 colorama==0.2.5