diff --git a/requirement.txt b/requirement.txt
index 43762b2..b42a3d8 100644
--- a/requirement.txt
+++ b/requirement.txt
@@ -106,7 +106,7 @@ pytest-remotedata==0.2.1
 python-dateutil==2.7.3
 pytz==2018.4
 PyWavelets==0.5.2
-PyYAML==3.12
+PyYAML==5.4
 pyzmq==17.0.0
 QtAwesome==0.4.4
 qtconsole==4.3.1