diff --git a/src/pynwb/nwb-schema b/src/pynwb/nwb-schema
index b4f8838cb..de18d1289 160000
--- a/src/pynwb/nwb-schema
+++ b/src/pynwb/nwb-schema
@@ -1 +1 @@
-Subproject commit b4f8838cbfbb7f8a117bd7e0aad19133d26868b4
+Subproject commit de18d1289a3b4bfd64222984d862524eb1e8c933