diff --git a/spec_tests/hed-specification b/spec_tests/hed-specification
index f0637c17..3ab3f005 160000
--- a/spec_tests/hed-specification
+++ b/spec_tests/hed-specification
@@ -1 +1 @@
-Subproject commit f0637c17d6ff7963613267933bad722351af06be
+Subproject commit 3ab3f005fe09808f876fa7bc28b85d402cf73a58