diff --git a/challenges/pt-br/infra-dev-challenge/services/productpage/requirements.txt b/challenges/pt-br/infra-dev-challenge/services/productpage/requirements.txt
index c1968c8..f9df57c 100644
--- a/challenges/pt-br/infra-dev-challenge/services/productpage/requirements.txt
+++ b/challenges/pt-br/infra-dev-challenge/services/productpage/requirements.txt
@@ -6,7 +6,7 @@ dominate==2.3.5
 Flask==1.0.2
 Flask-Bootstrap==3.3.7.1
 Flask-JSON==0.3.3
-future==0.17.1
+future==0.18.3
 futures==3.1.1
 gevent==1.4.0
 greenlet==0.4.15