diff --git a/api-book/requirements.txt b/api-book/requirements.txt
index 413724e..3fd0244 100644
--- a/api-book/requirements.txt
+++ b/api-book/requirements.txt
@@ -7,7 +7,7 @@ Babel==2.9.0
 backcall==0.2.0
 beautifulsoup4==4.9.3
 bleach==3.3.0
-certifi==2020.12.5
+certifi==2022.12.7
 cffi==1.14.4
 chardet==4.0.0
 click==7.1.2