diff --git a/mozilla/xpcom/src/MANIFEST b/mozilla/xpcom/src/MANIFEST
index caa3cb2cd69..201d21abb17 100644
--- a/mozilla/xpcom/src/MANIFEST
+++ b/mozilla/xpcom/src/MANIFEST
@@ -9,6 +9,8 @@ nsError.h
 nsHashtable.h
 nsID.h
 nsIFactory.h
+nsIPtr.h
 nsISupports.h
+nsISupportsArray.h
 nsRepository.h
 nsIEnumerator.h