diff --git a/mingw-w64-headers-3.1.99-r6638.tar.xz b/mingw-w64-headers-3.1.99-r6638.tar.xz
deleted file mode 100644
index 7fa1ad0..0000000
--- a/mingw-w64-headers-3.1.99-r6638.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4c898484450a3cf83c0db86954a8395f5fd0a2f5eba2293a6c3a923ff348b2d8
-size 4601760
diff --git a/mingw-w64-headers-4.0.1.tar.xz b/mingw-w64-headers-4.0.1.tar.xz
new file mode 100644
index 0000000..83ec288
--- /dev/null
+++ b/mingw-w64-headers-4.0.1.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2f27e345130b268808a84c7b206d8844ed42acabcc37b253f72f98a407b93a7d
+size 5078992
diff --git a/mingw32-headers.changes b/mingw32-headers.changes
new file mode 100644
index 0000000..c0608aa
--- /dev/null
+++ b/mingw32-headers.changes
@@ -0,0 +1,10 @@
+-------------------------------------------------------------------
+Wed Mar 25 10:48:30 UTC 2015 - jengelh@inai.de
+
+- Update to mingw-w64-4.0.1
+* 32-bit ARM thumb software math
+* Improved DirectX 11, OpenGL 4.5/GLES 3.1 support
+* added POSIX.1-2008 ftw.h
+* more secure functions: qsort_s, gmtime64_s, time_s.h, ...
+* added to stat.h: S_IRGRP, S_IRWXG, ...
+* added to unistd.h: SHUT_*
diff --git a/mingw32-headers.spec b/mingw32-headers.spec
index 52ef7a0..728aac8 100644
--- a/mingw32-headers.spec
+++ b/mingw32-headers.spec
@@ -16,16 +16,16 @@
 #
 
 
-%define snapshot -r6638
 Name:           mingw32-headers
-Version:        3.1.99
+Version:        4.0.1
 Release:        0
 Summary:        MinGW-w64 headers for Win32 and Win64
 License:        SUSE-Public-Domain
 Group:          Development/Libraries/C and C++
 Url:            http://mingw-w64.sf.net/
-# Generated from downloadable mingw-w64-%version.tar.bz2
-Source:         mingw-w64-headers-%{version}%{snapshot}.tar.xz
+
+#DL-URL:	http://downloads.sf.net/mingw-w64/mingw-w64-%version.tar.bz2
+Source:         mingw-w64-headers-%version.tar.xz
 BuildRequires:  mingw32-filesystem
 BuildRequires:  xz
 #!BuildIgnore:	post-build-checks