diff --git a/swagger_py_codegen/templates/sanic/schemas.tpl b/swagger_py_codegen/templates/sanic/schemas.tpl
index fd90c23..69a0d14 100644
--- a/swagger_py_codegen/templates/sanic/schemas.tpl
+++ b/swagger_py_codegen/templates/sanic/schemas.tpl
@@ -4,6 +4,7 @@
 
 {% include '_do_not_change.tpl' %}
 import six
+import  jsonschema
 
 base_path = '{{base_path}}'
 
@@ -28,7 +29,7 @@ scopes = {
 }
 
 
-resolver = RefResolver.from_schema(definitions)
+resolver = jsonschema.RefResolver.from_schema(definitions)
 
 class Current(object):