diff --git a/mingw-w64-crt/revstamp.h b/mingw-w64-crt/revstamp.h
index c1c4d6a..8aa82a7 100644
--- a/mingw-w64-crt/revstamp.h
+++ b/mingw-w64-crt/revstamp.h
@@ -1,4 +1,4 @@
 /* Do not edit. Autogenerated.  */
-#define __MINGW_W64_REV	"4892"
-#define __MINGW_W64_REV_STAMP "2012-03-09"
+#define __MINGW_W64_REV	"4918"
+#define __MINGW_W64_REV_STAMP "2012-03-20"
 
diff --git a/mingw-w64-headers/ddk/include/ddk/ntimage.h b/mingw-w64-headers/ddk/include/ddk/ntimage.h
index d9c88ac..a259038 100644
--- a/mingw-w64-headers/ddk/include/ddk/ntimage.h
+++ b/mingw-w64-headers/ddk/include/ddk/ntimage.h
@@ -16,6 +16,7 @@
 #define IMAGE_FILE_MACHINE_AM33       0x1d3
 #define IMAGE_FILE_MACHINE_AMD64      0x8664
 #define IMAGE_FILE_MACHINE_ARM        0x1c0
+#define IMAGE_FILE_MACHINE_ARMV7      0x1c4
 #define IMAGE_FILE_MACHINE_EBC        0xebc
 #define IMAGE_FILE_MACHINE_I386       0x14c
 #define IMAGE_FILE_MACHINE_IA64       0x200
diff --git a/mingw-w64-headers/include/winnt.h b/mingw-w64-headers/include/winnt.h
index e1a95c0..3b355d1 100644
--- a/mingw-w64-headers/include/winnt.h
+++ b/mingw-w64-headers/include/winnt.h
@@ -4285,6 +4285,7 @@
 #define IMAGE_FILE_MACHINE_SH4 0x01a6
 #define IMAGE_FILE_MACHINE_SH5 0x01a8
 #define IMAGE_FILE_MACHINE_ARM 0x01c0
+#define IMAGE_FILE_MACHINE_ARMV7 0x01c4
 #define IMAGE_FILE_MACHINE_THUMB 0x01c2
 #define IMAGE_FILE_MACHINE_AM33 0x01d3
 #define IMAGE_FILE_MACHINE_POWERPC 0x01F0