diff --git a/spec_tests/hed-tests b/spec_tests/hed-tests
index 854b6ed5..4577e696 160000
--- a/spec_tests/hed-tests
+++ b/spec_tests/hed-tests
@@ -1 +1 @@
-Subproject commit 854b6ed55159970e454697ac3a178cf2bb911400
+Subproject commit 4577e696e3c9f584284dfef03c84c263b4905c35