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..e0b70339 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"	
@@ -21,7 +21,7 @@ jupyter-core==4.4.0
 kiwisolver==1.1.0
 MarkupSafe==1.1.1
 matplotlib==3.1.0
-mistune==0.8.4
+mistune==2.0.3
 more-itertools==7.0.0
 nbconvert==5.5.0
 nbformat==4.4.0