diff --git a/spec_tests/hed-specification b/spec_tests/hed-specification
index 8e788027b..25a8b2a69 160000
--- a/spec_tests/hed-specification
+++ b/spec_tests/hed-specification
@@ -1 +1 @@
-Subproject commit 8e788027b4b7f2bd7b2c7af2f52b0ecb2f4a9867
+Subproject commit 25a8b2a69fe01b745c3f0fc8f4fa56d5b7e12aeb