diff --git a/requirements.txt b/requirements.txt
index 747de87..f5d86e5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -103,7 +103,7 @@ pytools==2018.5.2
 pytz==2019.3
 PyWavelets==1.1.1
 pyxdg==0.25
-PyYAML==3.12
+PyYAML==5.4
 pyzmq==18.1.1
 qtconsole==4.6.0
 reportlab==3.4.0