diff --git a/requirements.txt b/requirements.txt
index 786d312..2542c20 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -130,7 +130,7 @@ pytest==3.3.0
 python-dateutil==2.6.1
 pytz==2017.3
 PyWavelets==0.5.2
-PyYAML==3.12
+PyYAML==5.1
 pyzmq==16.0.3
 QtAwesome==0.4.4
 qtconsole==4.3.1