diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index df82c2f..669301f
--- a/requirements.txt
+++ b/requirements.txt
@@ -90,7 +90,7 @@ pytest-sugar==0.9.1
 python-dateutil==2.6.1
 python-utils==2.3.0
 pytz==2018.3
-PyYAML==3.12
+PyYAML==5.4
 pyzmq==17.0.0
 psycopg2==2.7.5
 rednose==1.2.3