diff --git a/requirements2.txt b/requirements2.txt
old mode 100755
new mode 100644
index d526e73..f6b9ed5
--- a/requirements2.txt
+++ b/requirements2.txt
@@ -98,7 +98,7 @@ python-dateutil==2.7.3
 python-jose==2.0.2
 pytorch-pretrained-bert==0.3.0
 pytz==2017.3
-PyYAML==3.13
+PyYAML==5.4
 regex==2017.11.9
 requests==2.21.0
 responses==0.9.0