diff --git a/Desafio 8/requirements.txt b/Desafio 8/requirements.txt
index 495a9bf..e1e092e 100644
--- a/Desafio 8/requirements.txt	
+++ b/Desafio 8/requirements.txt	
@@ -3,7 +3,7 @@ attrs==18.1.0
 certifi==2018.4.16
 more-itertools==4.2.0
 pluggy==0.6.0
-py==1.5.3
+py==1.10.0
 pytest==3.6.2
 six==1.11.0
 PyYAML==5.1.2