diff --git a/requirements.txt b/requirements.txt
index 45e3305..e91bd9f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -55,7 +55,7 @@ pyparsing==2.4.2
 pyrsistent==0.15.4
 python-dateutil==2.7.5
 pytz==2018.7
-PyYAML==3.13
+PyYAML==5.1
 pyzmq==18.0.2
 qtconsole==4.5.2
 Send2Trash==1.5.0