diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 0001d92..6981d61
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ python-dateutil==2.5.3
 python-decouple==3.0
 python-memcached==1.58
 pytz==2016.7
-PyYAML==3.12
+PyYAML==5.1
 requests==2.9.1
 semantic-version==2.5.0
 Shapely==1.5.17