diff --git a/spec_tests/hed-specification b/spec_tests/hed-specification
index 8772db30c..4909076a4 160000
--- a/spec_tests/hed-specification
+++ b/spec_tests/hed-specification
@@ -1 +1 @@
-Subproject commit 8772db30cf7c63a4fc224aac9e7daf504f276a1b
+Subproject commit 4909076a416ee9645c8c539d77cdb9750172d154