diff --git a/Whatsapp-Covid-Bot/requirements.txt b/Whatsapp-Covid-Bot/requirements.txt
index c5c51ec..ccef147 100644
--- a/Whatsapp-Covid-Bot/requirements.txt
+++ b/Whatsapp-Covid-Bot/requirements.txt
@@ -91,7 +91,7 @@ python-http-client==3.2.7
 python-jwt==3.2.6
 python-slugify==4.0.1
 python-telegram-bot==12.7
-PyYAML==5.3.1
+PyYAML==5.4
 queuelib==1.5.0
 regex==2020.6.8
 requests-oauthlib==1.3.0