diff --git a/requirements.txt b/requirements.txt
index 68d735b..6b2b0f9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ pymongo==3.7.2
 python-dateutil==2.8.0
 python-dotenv==0.10.1
 pytz==2018.9
-PyYAML==3.13
+PyYAML==5.4
 redis==3.1.0
 requests==2.21.0
 rfc3987==1.3.8