diff --git a/Backend/requirements.txt b/Backend/requirements.txt
index 4469e35..8c6a43c 100644
--- a/Backend/requirements.txt
+++ b/Backend/requirements.txt
@@ -43,7 +43,7 @@ pylint==2.4.4
 pyparsing==2.4.6
 python-decouple==3.3
 pytz==2019.3
-PyYAML==5.3
+PyYAML==5.4
 requests==2.22.0
 rfc3987==1.3.8
 ruamel.yaml==0.16.7