diff --git a/requirements.txt b/requirements.txt
index 8d84540..322fc11 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -72,7 +72,7 @@ pytest==5.4.3
 python-dateutil==2.8.1
 python-jose==3.1.0
 pytz==2020.1
-PyYAML==5.3.1
+PyYAML==5.4
 pyzmq==19.0.1
 qtconsole==4.7.5
 QtPy==1.9.0