diff --git a/flask_dev/EMR_DB_App/requirements.txt b/flask_dev/EMR_DB_App/requirements.txt
index fb685b2..bb560a1 100644
--- a/flask_dev/EMR_DB_App/requirements.txt
+++ b/flask_dev/EMR_DB_App/requirements.txt
@@ -31,7 +31,7 @@ pyinotify==0.9.6
 PyJWT==1.5.3
 pyserial==3.4
 pyxdg==0.26
-PyYAML==5.1
+PyYAML==5.4
 requests==2.20.0
 requests-unixsocket==0.1.5
 SecretStorage==2.3.1