diff --git a/requirements.txt b/requirements.txt
index 5aeadee..8da33d7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -51,7 +51,7 @@ pyparsing==2.2.0
 pytest==3.2.2
 python-dateutil==2.6.1
 pytz==2017.2
-PyYAML==3.12
+PyYAML==5.1
 pyzmq==16.0.2
 qtconsole==4.3.1
 requests