diff --git a/WorkFlow9/notebook_requirements.txt b/WorkFlow9/notebook_requirements.txt
index 41c26ee..9dd6b8b 100644
--- a/WorkFlow9/notebook_requirements.txt
+++ b/WorkFlow9/notebook_requirements.txt
@@ -3,7 +3,7 @@ async-generator==1.10
 attrs==18.2.0
 backcall==0.1.0
 bleach==3.0.2
-certifi==2018.10.15
+certifi==2022.12.7
 chardet==3.0.4
 decorator==4.3.0
 defusedxml==0.5.0