diff --git a/requirements.txt b/requirements.txt
index 71373c0..fe68639 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,6 +2,6 @@ future==0.18.2
 loguru==0.5.1
 Pillow==7.2.0
 pyngrok==4.1.7
-PyYAML==5.3.1
+PyYAML==5.4
 qrcode==6.1
 six==1.15.0