Merge pull request #24 from danielamiranda/danielamiranda-patch-1

Update requirements.txt

Author: danielamiranda

requirements.txt

@@ -24,7 +24,7 @@ pybase64==1.0.0
 pyparsing==2.4.2
 python-dateutil==2.8.0
 pytz==2019.2
-PyYAML==5.1.2
+pyyaml>=5.4
 requests==2.32.2
 retrying==1.3.3
 six==1.12.0