diff --git a/Cap04_Banco_de_Dados/my-job/heroku/requirements.txt b/Cap04_Banco_de_Dados/my-job/heroku/requirements.txt
index 90161dd..170d6fb 100644
--- a/Cap04_Banco_de_Dados/my-job/heroku/requirements.txt
+++ b/Cap04_Banco_de_Dados/my-job/heroku/requirements.txt
@@ -49,7 +49,7 @@ pypiwin32==223
 python-dateutil==2.8.0
 pytz==2019.1
 pywin32==224
-PyYAML==3.13
+PyYAML==5.4
 requests==2.20.1
 retrying==1.3.3
 six==1.12.0