diff --git a/Semana 6/desafio/requirements.txt b/Semana 6/desafio/requirements.txt
old mode 100755
new mode 100644
index 8bf8621..4d13011
--- a/Semana 6/desafio/requirements.txt	
+++ b/Semana 6/desafio/requirements.txt	
@@ -25,7 +25,7 @@ mistune==0.8.4
 more-itertools==7.0.0
 nbconvert==5.5.0
 nbformat==4.4.0
-notebook==5.7.8
+notebook==6.1.5
 numpy==1.16.4
 packaging==19.0
 pandas==0.24.2