diff --git a/requirements.txt b/requirements.txt
index 7bfc206..9d2121e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -137,7 +137,7 @@ pytest-remotedata==0.2.1
 python-dateutil==2.7.3
 pytz==2018.4
 PyWavelets==0.5.2
-PyYAML==3.12
+PyYAML==5.1
 pyzmq==17.0.0
 QtAwesome==0.4.4
 qtconsole==4.3.1