diff --git a/src/requirements.txt b/src/requirements.txt
index 3d51546..33b8294 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -57,7 +57,7 @@ Pygments==2.6.1
 pyparsing==2.4.7
 python-dateutil==2.8.1
 pytz==2020.1
-PyYAML==5.3.1
+PyYAML==5.4
 pyzmq==19.0.1
 regex==2020.5.14
 requests==2.23.0