diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index f1d9862..f69fe0c
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 Appium-Python-Client==0.26
 ddt==1.1.1
 Logbook==1.1.0
-PyYAML==3.12
+PyYAML==5.4
 selenium==3.0.2
 xlrd==1.0.0
 XlsxWriter==1.0.2
\ No newline at end of file