diff --git a/spec b/spec
index 977a20d..ab8c74e 160000
--- a/spec
+++ b/spec
@@ -1 +1 @@
-Subproject commit 977a20da88d42f1c9b00151ab20c4b26bca1d75b
+Subproject commit ab8c74ec9aac4ed6b0aca832946a716eab684bd5