diff --git a/requirements.txt b/requirements.txt
index fd16db6..a49fbda 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -157,7 +157,7 @@ pytest-remotedata==0.3.1
 python-dateutil==2.7.5
 pytz==2018.7
 PyWavelets==1.0.1
-PyYAML==3.13
+PyYAML==5.4
 pyzmq==17.1.2
 QtAwesome==0.5.3
 qtconsole==4.4.2