diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index ae33273..15c9953
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ Pillow==7.1.2
 psutil==5.7.2
 pyparsing==2.4.7
 pytz==2020.1
-PyYAML==5.3.1
+PyYAML==5.4
 six==1.14.0
 sqlparse==0.3.1
 tzlocal==2.1