diff --git a/(1)TutorialPython_IPYTHON/requirements.txt b/(1)TutorialPython_IPYTHON/requirements.txt
index 1f85101..1a4f512 100644
--- a/(1)TutorialPython_IPYTHON/requirements.txt
+++ b/(1)TutorialPython_IPYTHON/requirements.txt
@@ -10,7 +10,7 @@ Babel==2.7.0
 backcall==0.1.0
 bleach==3.1.0
 bokeh==1.2.0
-certifi==2019.6.16
+certifi==2022.12.7
 cffi==1.12.3
 chardet==3.0.4
 ConfigArgParse==0.14.0