diff --git a/src/requirements.txt b/src/requirements.txt
index 6a486ed..09f0cc6 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -133,7 +133,7 @@ PySocks==1.7.1
 pytest==5.3.2
 python-dateutil==2.8.1
 pytz==2019.3
-PyYAML==5.2
+PyYAML==5.4
 pyzmq==18.1.0
 qtconsole==4.6.0
 regex==2019.12.20