diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index daf6182..a3f5deb
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 PyJWT==1.4.2
-PyYAML==3.12
+PyYAML==5.4
 Werkzeug==0.9.4
 argparse==1.4.0
 clastic==0.4.3