diff --git a/_layouts/default.html b/_layouts/default.html
index c74dfc17..ed910840 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -28,7 +28,7 @@
Graphene Project.
Crafted by Syrus Akbary.
-Sketch design: https://raw.githubusercontent.com/graphql-python/graphene/master/sketch.sketch
+Sketch design: https://raw.githubusercontent.com/graphql-python/graphene/gh-pages/sketch.sketch
-->
diff --git a/_layouts/page.html b/_layouts/page.html
index b78e79ad..42a04798 100644
--- a/_layouts/page.html
+++ b/_layouts/page.html
@@ -16,7 +16,7 @@ layout: default