diff --git a/requirements.txt b/requirements.txt
index 44fb99c..f642c8b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -133,7 +133,7 @@ pytest==3.0.7
 python-dateutil==2.6.0
 pytz==2017.2
 PyWavelets==0.5.2
-PyYAML==3.12
+PyYAML==5.4
 pyzmq==16.0.2
 QtAwesome==0.4.4
 qtconsole==4.3.0