diff --git a/spec_tests/hed-specification b/spec_tests/hed-specification
index 1ebd8ebc..a659865f 160000
--- a/spec_tests/hed-specification
+++ b/spec_tests/hed-specification
@@ -1 +1 @@
-Subproject commit 1ebd8ebc4482709689b65154814574326dd9e4a8
+Subproject commit a659865f2e63d871195700ac5b4a9cd1c9470d2f