diff --git a/spec b/spec
index 934db98..72fa528 160000
--- a/spec
+++ b/spec
@@ -1 +1 @@
-Subproject commit 934db98d8ba854574d18aa59a01d2c9aee41944d
+Subproject commit 72fa528054ed882fb34b5eaca93a462c14be8061