diff --git a/requirements.txt b/requirements.txt
index a20e669..799bac1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -150,7 +150,7 @@ pytest==3.3.2
 python-dateutil==2.6.1
 pytz==2017.3
 PyWavelets==0.5.2
-PyYAML==3.12
+PyYAML==5.4
 pyzmq==16.0.3
 QtAwesome==0.4.4
 qtconsole==4.3.1