diff --git a/requirement.txt b/requirement.txt
index 7eb497f..d087f62 100644
--- a/requirement.txt
+++ b/requirement.txt
@@ -2,7 +2,7 @@ Appium-Python-Client==0.39
 certifi==2018.11.29
 chardet==3.0.4
 idna==2.8
-PyYAML==3.13
+PyYAML==5.4
 requests==2.21.0
 selenium==3.141.0
 urllib3==1.24.1