diff --git a/Car Price Prediction Files for Model Deploment on Heroku/requirements.txt b/Car Price Prediction Files for Model Deploment on Heroku/requirements.txt
index 8a7970d..c12b4ea 100644
--- a/Car Price Prediction Files for Model Deploment on Heroku/requirements.txt	
+++ b/Car Price Prediction Files for Model Deploment on Heroku/requirements.txt	
@@ -162,7 +162,7 @@ python-dateutil==2.8.0
 pytz==2019.3
 PyWavelets==1.0.3
 pywinpty==0.5.5
-PyYAML==5.1.2
+PyYAML==5.4
 pyzmq==18.1.0
 requests==2.22.0
 requests-html==0.10.0