diff --git a/UW_Python230_Internet_Programming_In_Python/flask-todo/requirements.txt b/UW_Python230_Internet_Programming_In_Python/flask-todo/requirements.txt
index 3d620d1..b6b5295 100644
--- a/UW_Python230_Internet_Programming_In_Python/flask-todo/requirements.txt
+++ b/UW_Python230_Internet_Programming_In_Python/flask-todo/requirements.txt
@@ -4,7 +4,7 @@ atomicwrites==1.2.1
 attrs==18.2.0
 backcall==0.1.0
 better-exceptions-fork==0.2.1.post6
-certifi==2018.10.15
+certifi==2022.12.7
 chardet==3.0.4
 Click==7.0
 colorama==0.4.1