diff --git a/semana5/requirements.txt b/semana5/requirements.txt
index d807c7f..b4dbc11 100644
--- a/semana5/requirements.txt
+++ b/semana5/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==6.4.12
 numpy==1.16.4
 packaging==19.0
 pandas==0.24.2