diff --git a/spec_tests/hed-specification b/spec_tests/hed-specification
index 570ae3e5..01ee0c2c 160000
--- a/spec_tests/hed-specification
+++ b/spec_tests/hed-specification
@@ -1 +1 @@
-Subproject commit 570ae3e56c042c05a6f488e3cfe56fb70d1fda72
+Subproject commit 01ee0c2c5c3e14e8b400b09dfad6f20ceb0b6e36