diff --git a/requirements.txt b/requirements.txt
index be93e7d..b28fe43 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -73,7 +73,7 @@ python-editor==1.0.4
 python-utils==2.4.0
 pytz==2019.3
 PyWavelets==1.1.1
-PyYAML==5.3.1
+PyYAML==5.4
 pyzmq==18.1.1
 querystring-parser==1.2.4
 requests==2.23.0