diff --git a/Desafio 9/requirements.txt b/Desafio 9/requirements.txt
index 913b1a6..3834fc1 100644
--- a/Desafio 9/requirements.txt	
+++ b/Desafio 9/requirements.txt	
@@ -3,7 +3,7 @@ atomicwrites==1.3.0
 attrs==19.1.0
 Babel==2.7.0
 backcall==0.1.0
-certifi==2019.6.16
+certifi==2022.12.7
 chardet==3.0.4
 decorator==4.4.0
 dj-database-url==0.5.0