diff --git a/winsup/w32api/ChangeLog b/winsup/w32api/ChangeLog
index be0c0b8c2..e16bca544 100644
--- a/winsup/w32api/ChangeLog
+++ b/winsup/w32api/ChangeLog
@@ -1,3 +1,7 @@
+2012-01-05  Chris Sutcliffe  <ir0nh34d@users.sf.net>
+
+	* include/windef.h (WINVER): Bump to 0x0501.
+
 2012-01-03  Chris Sutcliffe  <ir0nh34d@users.sf.net>
 
 	Return value, identified by 'make test'.
diff --git a/winsup/w32api/include/windef.h b/winsup/w32api/include/windef.h
index 8ac80e157..c08b12dcd 100644
--- a/winsup/w32api/include/windef.h
+++ b/winsup/w32api/include/windef.h
@@ -9,7 +9,7 @@ extern "C" {
 #endif
 
 #ifndef WINVER
-#define WINVER 0x0400
+#define WINVER 0x0501
 /*
  * If you need Win32 API features newer the Win95 and WinNT then you must
  * define WINVER before including windows.h or any other method of including