diff --git a/requirements.txt b/requirements.txt
index 650bbcf..ad213ad 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 Jinja2==2.7.2
 MarkupSafe==0.18
-PyYAML==3.10
+PyYAML==5.1
 argh==0.24.1
 argparse==1.2.1
 easywatch==0.0.3