diff --git a/requirements.txt b/requirements.txt
index 28db434..789acc3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -83,7 +83,7 @@ pyrsistent==0.16.0
 python-dateutil==2.8.1
 pytry==0.9.2
 pytz==2020.1
-PyYAML==5.3.1
+PyYAML==5.4
 pyzmq==19.0.1
 qtconsole==4.7.4
 QtPy==1.9.0