diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 8e548a6..53fe241
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ pyasn1-modules==0.2.5
 python-dateutil==2.6.1
 python-json-logger==0.1.11
 pytz==2019.1
-PyYAML==3.12
+PyYAML==5.4
 requests==2.18.4
 rm==2019.4.13
 rsa==3.4.2