diff --git a/mingw-w64-headers/crt/wchar.h b/mingw-w64-headers/crt/wchar.h
index 3dc6ca4..1dd912f 100644
--- a/mingw-w64-headers/crt/wchar.h
+++ b/mingw-w64-headers/crt/wchar.h
@@ -1335,7 +1335,11 @@
   _CONST_RETURN wchar_t *__cdecl wcsrchr(const wchar_t *_Str,wchar_t _Ch);
   size_t __cdecl wcsspn(const wchar_t *_Str,const wchar_t *_Control);
   _CONST_RETURN wchar_t *__cdecl wcsstr(const wchar_t *_Str,const wchar_t *_SubStr);
+#if defined(_UCRT)
+  wchar_t *__cdecl wcstok(wchar_t * __restrict__ _Str,const wchar_t * __restrict__ _Delim,wchar_t **_Ptr) __MINGW_ATTRIB_DEPRECATED_SEC_WARN;
+#else
   wchar_t *__cdecl wcstok(wchar_t * __restrict__ _Str,const wchar_t * __restrict__ _Delim) __MINGW_ATTRIB_DEPRECATED_SEC_WARN;
+#endif
   _CRTIMP wchar_t *__cdecl _wcserror(int _ErrNum) __MINGW_ATTRIB_DEPRECATED_SEC_WARN;
   _CRTIMP wchar_t *__cdecl __wcserror(const wchar_t *_Str) __MINGW_ATTRIB_DEPRECATED_SEC_WARN;
   _CRTIMP int __cdecl _wcsicmp(const wchar_t *_Str1,const wchar_t *_Str2);