diff --git a/config/requirements.txt b/config/requirements.txt
index 78f02f3..de94932 100644
--- a/config/requirements.txt
+++ b/config/requirements.txt
@@ -4,7 +4,7 @@ ipywidgets==7.5.1
 jupyter-nbextensions-configurator==0.4.1
 numpy==1.20.1
 pandas==1.2.2
-pyyaml==5.3.1
+pyyaml==5.4
 widgetsnbextension==3.5.1
 matplotlib==3.1.3
 pulp==2.4