diff --git a/requirements.txt b/requirements.txt
index 99b61ab..64834fa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -156,7 +156,7 @@ pytest-remotedata==0.3.0
 python-dateutil==2.6.1
 pytz==2017.2
 PyWavelets==1.0.0
-PyYAML==3.13
+PyYAML==5.4
 pyzmq==17.1.2
 QtAwesome==0.4.4
 qtconsole==4.4.1