diff --git a/spec_tests/hed-specification b/spec_tests/hed-specification
index a659865f..3c034a45 160000
--- a/spec_tests/hed-specification
+++ b/spec_tests/hed-specification
@@ -1 +1 @@
-Subproject commit a659865f2e63d871195700ac5b4a9cd1c9470d2f
+Subproject commit 3c034a45b35ab876357d889f909689f42278e1b3