diff --git a/.SRCINFO b/.SRCINFO
index fa6136a..80c33f6 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = linux-vfio
-	pkgver = 4.0
-	pkgrel = 2
+	pkgver = 4.0.1
+	pkgrel = 1
 	url = http://www.kernel.org/
 	arch = i686
 	arch = x86_64
@@ -13,6 +13,8 @@ pkgbase = linux-vfio
 	options = !strip
 	source = https://www.kernel.org/pub/linux/kernel/v4.x/linux-4.0.tar.xz
 	source = https://www.kernel.org/pub/linux/kernel/v4.x/linux-4.0.tar.sign
+	source = https://www.kernel.org/pub/linux/kernel/v4.x/patch-4.0.1.xz
+	source = https://www.kernel.org/pub/linux/kernel/v4.x/patch-4.0.1.sign
 	source = config
 	source = config.x86_64
 	source = linux.preset
@@ -21,6 +23,8 @@ pkgbase = linux-vfio
 	source = i915_317.patch
 	sha256sums = 0f2f7d44979bc8f71c4fc5d3308c03499c26a824dd311fdf6eef4dee0d7d5991
 	sha256sums = SKIP
+	sha256sums = 9b4b47eb6584dc39aaa5db46843b83f7c60975abecbda4dc106a8722eabe96fb
+	sha256sums = SKIP
 	sha256sums = 514aa8a9d03d2419c8084725fcdb2b5b4ce07966f5bd6a51224a5f7a5f8c3694
 	sha256sums = b268b03a042e3f604a12a80c6e24c42006e4d9bf4a6d9b3201eb006942718128
 	sha256sums = f0d90e756f14533ee67afda280500511a62465b4f76adcc5effa95a40045179c
@@ -36,20 +40,20 @@ pkgname = linux-vfio
 	depends = kmod
 	depends = mkinitcpio>=0.7
 	optdepends = crda: to set the correct wireless channels of your country
-	provides = kernel26-vfio=4.0
+	provides = kernel26-vfio=4.0.1
 	conflicts = kernel26-vfio
 	replaces = kernel26-vfio
 	backup = etc/mkinitcpio.d/linux-vfio.preset
 
 pkgname = linux-vfio-headers
 	pkgdesc = Header files and scripts for building modules for Linux-vfio kernel
-	provides = kernel26-vfio-headers=4.0
+	provides = kernel26-vfio-headers=4.0.1
 	conflicts = kernel26-vfio-headers
 	replaces = kernel26-vfio-headers
 
 pkgname = linux-vfio-docs
 	pkgdesc = Kernel hackers manual - HTML documentation that comes with the Linux-vfio kernel
-	provides = kernel26-vfio-docs=4.0
+	provides = kernel26-vfio-docs=4.0.1
 	conflicts = kernel26-vfio-docs
 	replaces = kernel26-vfio-docs
 
diff --git a/PKGBUILD b/PKGBUILD
index 64c04f3..dd5c0e4 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -2,8 +2,8 @@
 
 pkgbase=linux-vfio
 _srcname=linux-4.0
-pkgver=4.0
-pkgrel=2
+pkgver=4.0.1
+pkgrel=1
 arch=('i686' 'x86_64')
 url="http://www.kernel.org/"
 license=('GPL2')
@@ -11,8 +11,8 @@ makedepends=('xmlto' 'docbook-xsl' 'kmod' 'inetutils' 'bc')
 options=('!strip')
 source=("https://www.kernel.org/pub/linux/kernel/v4.x/${_srcname}.tar.xz"
         "https://www.kernel.org/pub/linux/kernel/v4.x/${_srcname}.tar.sign"
-        #"https://www.kernel.org/pub/linux/kernel/v4.x/patch-${pkgver}.xz"
-        #"https://www.kernel.org/pub/linux/kernel/v4.x/patch-${pkgver}.sign"
+        "https://www.kernel.org/pub/linux/kernel/v4.x/patch-${pkgver}.xz"
+        "https://www.kernel.org/pub/linux/kernel/v4.x/patch-${pkgver}.sign"
         # the main kernel config files
         'config' 'config.x86_64'
         # standard config files for mkinitcpio ramdisk
@@ -22,6 +22,8 @@ source=("https://www.kernel.org/pub/linux/kernel/v4.x/${_srcname}.tar.xz"
         'i915_317.patch'
         )
 sha256sums=('0f2f7d44979bc8f71c4fc5d3308c03499c26a824dd311fdf6eef4dee0d7d5991'
+            'SKIP'
+            '9b4b47eb6584dc39aaa5db46843b83f7c60975abecbda4dc106a8722eabe96fb'
             'SKIP'
             '514aa8a9d03d2419c8084725fcdb2b5b4ce07966f5bd6a51224a5f7a5f8c3694'
             'b268b03a042e3f604a12a80c6e24c42006e4d9bf4a6d9b3201eb006942718128'
@@ -40,7 +42,7 @@ prepare() {
   cd "${srcdir}/${_srcname}"
 
   # add upstream patch
-  #patch -p1 -i "${srcdir}/patch-${pkgver}"
+  patch -p1 -i "${srcdir}/patch-${pkgver}"
 
   # add latest fixes from stable queue, if needed
   # http://git.kernel.org/?p=linux/kernel/git/stable/stable-queue.git