diff --git a/requirements/requirements.txt b/requirements/requirements.txt
index 293ef60ca..fa666f49b 100644
--- a/requirements/requirements.txt
+++ b/requirements/requirements.txt
@@ -15,4 +15,5 @@ libsass==0.10.1
 psycopg2==2.6.1
 pytz==2015.7
 pyyaml==3.11
+rtyaml==0.0.2
 unipath==1.1