diff --git a/Include/pythonrun.h b/Include/pythonrun.h
index f8ed718..85bdd3d 100644
--- a/Include/pythonrun.h
+++ b/Include/pythonrun.h
@@ -114,6 +114,8 @@
 PyAPI_FUNC(const char *) _Py_svnversion(void);
 PyAPI_FUNC(const char *) Py_SubversionRevision(void);
 PyAPI_FUNC(const char *) Py_SubversionShortBranch(void);
+PyAPI_FUNC(const char *) _Py_hgidentifier(void);
+PyAPI_FUNC(const char *) _Py_hgversion(void);
 
 /* Internal -- various one-time initializations */
 PyAPI_FUNC(PyObject *) _PyBuiltin_Init(void);