diff --git a/ctypes_generation/winfunc.txt b/ctypes_generation/winfunc.txt
index f111712..61a2157 100644
--- a/ctypes_generation/winfunc.txt
+++ b/ctypes_generation/winfunc.txt
@@ -647,4 +647,10 @@ INT WINAPI GetClipboardFormatNameW(
   _In_  UINT   format,
   _Out_ LPCWSTR lpszFormatName,
   _In_  INT    cchMaxCount
+);
+
+LONG WINAPI WinVerifyTrust(
+  _In_ HWND   hWnd,
+  _In_ GUID   *pgActionID,
+  _In_ LPVOID pWVTData
 );
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