diff --git a/requirements.txt b/requirements.txt
index fa58e57..6bea0fa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ Pillow==3.2.0
 pymongo==3.2.2
 python-dateutil==2.5.3
 pytz==2016.4
-PyYAML==3.11
+PyYAML==5.4
 requests==2.10.0
 requests-file==1.4
 six==1.10.0