diff --git a/requirements.txt b/requirements.txt
index f2ea463..38854f9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -92,7 +92,7 @@ pytest==6.0.1
 pytest-bdd==4.0.1
 python-dateutil==2.8.1
 pytz==2020.1
-PyYAML==5.3.1
+PyYAML==5.4
 pyzmq==19.0.2
 qtconsole==4.7.5
 QtPy==1.9.0