diff --git a/api/Accessible2.idl b/api/Accessible2.idl
index 9046f2e..d486df2 100644
--- a/api/Accessible2.idl
+++ b/api/Accessible2.idl
@@ -56,6 +56,7 @@
  @section _interfaces Interfaces
   IAccessible2\n
   IAccessible2_2\n
+  IAccessible2_3\n
   IAccessibleAction\n
   IAccessibleApplication\n
   IAccessibleComponent\n
diff --git a/api/IA2TypeLibrary.idl b/api/IA2TypeLibrary.idl
index 45a54a6..2519aca 100644
--- a/api/IA2TypeLibrary.idl
+++ b/api/IA2TypeLibrary.idl
@@ -71,6 +71,7 @@ library IAccessible2Lib
     importlib ("oleacc.dll");
     interface IAccessible2;
     interface IAccessible2_2;
+    interface IAccessible2_3;
     interface IAccessibleAction;
     interface IAccessibleApplication;
     interface IAccessibleComponent;
diff --git a/buildapi.sh b/buildapi.sh
index df4ef8d..41bbcfb 100644
--- a/buildapi.sh
+++ b/buildapi.sh
@@ -48,7 +48,7 @@ if [ -f ../ia2_api_all.idl ]; then
 fi
 
 # generate merged IDL file - IA2TypeLibrary.idl must be at the end
-cat Accessible2.idl Accessible2_2.idl AccessibleAction.idl AccessibleApplication.idl AccessibleComponent.idl AccessibleDocument.idl AccessibleEditableText.idl AccessibleEventId.idl AccessibleHyperlink.idl AccessibleHypertext.idl AccessibleHypertext2.idl AccessibleImage.idl AccessibleRelation.idl AccessibleRole.idl AccessibleStates.idl AccessibleTable.idl AccessibleTable2.idl AccessibleTableCell.idl AccessibleText.idl AccessibleText2.idl AccessibleValue.idl IA2CommonTypes.idl IA2TypeLibrary.idl | sed -e 's/import "[A-Za-z0-9].*$//g' - | cat api_all_headers.idl - > ../ia2_api_all.idl
+cat Accessible2.idl Accessible2_2.idl Accessible2_3.idl AccessibleAction.idl AccessibleApplication.idl AccessibleComponent.idl AccessibleDocument.idl AccessibleEditableText.idl AccessibleEventId.idl AccessibleHyperlink.idl AccessibleHypertext.idl AccessibleHypertext2.idl AccessibleImage.idl AccessibleRelation.idl AccessibleRole.idl AccessibleStates.idl AccessibleTable.idl AccessibleTable2.idl AccessibleTableCell.idl AccessibleText.idl AccessibleText2.idl AccessibleValue.idl IA2CommonTypes.idl IA2TypeLibrary.idl | sed -e 's/import "[A-Za-z0-9].*$//g' - | cat api_all_headers.idl - > ../ia2_api_all.idl
 
 cd ..