diff --git "a/M\303\263dulo 5 - Probabilidade e Machine Learning II/Desafio_4/requirements.txt" "b/M\303\263dulo 5 - Probabilidade e Machine Learning II/Desafio_4/requirements.txt"
index d0dc2efc..f7215c79 100644
--- "a/M\303\263dulo 5 - Probabilidade e Machine Learning II/Desafio_4/requirements.txt"	
+++ "b/M\303\263dulo 5 - Probabilidade e Machine Learning II/Desafio_4/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