diff --git a/requirements.txt b/requirements.txt
index ba99e39..814d2d1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ python-dateutil==2.5.3
 python-engineio==3.8.2.post1
 python-mimeparse==1.5.2
 python-socketio==1.4.4
-PyYAML==4.2b1
+PyYAML==5.4
 requests==2.20.0
 Werkzeug==0.15.3
 httplib2==0.9.2