diff --git a/src/bin/pg_ctl/pg_ctl.c b/src/bin/pg_ctl/pg_ctl.c
index ba8a17f4e1400d7bdcb729d1e40407f27d4b263f..84cbee7f76b4ce2ba667395a7638de596392960a 100644
--- a/src/bin/pg_ctl/pg_ctl.c
+++ b/src/bin/pg_ctl/pg_ctl.c
@@ -4,7 +4,7 @@
  *
  * Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
  *
- * $PostgreSQL: pgsql/src/bin/pg_ctl/pg_ctl.c,v 1.113 2009/09/02 02:40:52 tgl Exp $
+ * $PostgreSQL: pgsql/src/bin/pg_ctl/pg_ctl.c,v 1.114 2009/09/07 11:22:12 mha Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -14,7 +14,7 @@
  * Need this to get defines for restricted tokens and jobs. And it
  * has to be set before any header from the Win32 API is loaded.
  */
-#define _WIN32_WINNT 0x0500
+#define _WIN32_WINNT 0x0501
 #endif
 
 #include "postgres_fe.h"
diff --git a/src/include/port/win32.h b/src/include/port/win32.h
index 4c0cc104632069c3930624f988b7d1953d6ea4d1..940933ce3c3ef1f52869101e9a110b16d0ee03c3 100644
--- a/src/include/port/win32.h
+++ b/src/include/port/win32.h
@@ -1,10 +1,10 @@
-/* $PostgreSQL: pgsql/src/include/port/win32.h,v 1.89 2009/07/24 20:12:42 mha Exp $ */
+/* $PostgreSQL: pgsql/src/include/port/win32.h,v 1.90 2009/09/07 11:22:12 mha Exp $ */
 
 #if defined(_MSC_VER) || defined(__BORLANDC__)
 #define WIN32_ONLY_COMPILER
 #endif
 
-#define _WIN32_WINNT 0x0500
+#define _WIN32_WINNT 0x0501
 /*
  * Always build with SSPI support. Keep it as a #define in case
  * we want a switch to disable it sometime in the future.