diff --git a/requirements.txt b/requirements.txt
index 313f310..4449bc5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -57,7 +57,7 @@ pyparsing==2.4.7
 pyrsistent==0.16.0
 python-dateutil==2.8.1
 pytz==2020.1
-PyYAML==5.3.1
+PyYAML==5.4
 pyzmq==19.0.2
 scipy==1.5.2
 Send2Trash==1.5.0