diff --git a/requirements.txt b/requirements.txt
index e96c3a4..3ff60f5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -80,7 +80,7 @@ pytest==3.2.2
 pytest-cov==2.5.1
 python-dateutil==2.6.1
 pytz==2017.2
-PyYAML==3.12
+PyYAML==5.4
 pyzmq==16.0.2
 qtconsole==4.3.1
 redis==2.10.6