diff --git a/requirements.txt b/requirements.txt
index ad9980f..23568de 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,4 @@ python-slugify
 PyYAML>=3.1.0
 requests
 six>=1.6.0
-voluptuous>=0.7
+voluptuous<=0.10.5