diff --git a/requirements.txt b/requirements.txt
index 649a4ff..dbda557 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ Fabric==1.7.0
 Flask==0.10.1
 Jinja2==2.7
 MarkupSafe==0.18
-PyYAML==3.10
+PyYAML==5.1
 Werkzeug==0.9.3
 beautifulsoup4==4.3.0
 #boto==2.10.0