diff --git a/.SRCINFO b/.SRCINFO
index 0800b30..4668764 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = linux-vfio
-	pkgver = 4.2
-	pkgrel = 4
+	pkgver = 4.2.1
+	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-4.2.tar.xz
 	source = https://www.kernel.org/pub/linux/kernel/v4.x/linux-4.2.tar.sign
+	source = https://www.kernel.org/pub/linux/kernel/v4.x/patch-4.2.1.xz
+	source = https://www.kernel.org/pub/linux/kernel/v4.x/patch-4.2.1.sign
 	source = config
 	source = config.x86_64
 	source = linux.preset
@@ -25,6 +27,8 @@ pkgbase = linux-vfio
 	source = i915_317.patch
 	sha256sums = cf20e044f17588d2a42c8f2a450b0fd84dfdbd579b489d93e9ab7d0e8b45dbeb
 	sha256sums = SKIP
+	sha256sums = 9d0ab6525eb5f42056e2465267c62fa67efc75c57ad5345b99414b783278e9a3
+	sha256sums = SKIP
 	sha256sums = e6f6f804f98ad321ce3e4395924993b51decb89699fde369391ccbb4bae928b2
 	sha256sums = a071aaa327d2b3577fa4709b47ed5fe81c7914d168607f3db905fdbf226247e7
 	sha256sums = f0d90e756f14533ee67afda280500511a62465b4f76adcc5effa95a40045179c
diff --git a/PKGBUILD b/PKGBUILD
index 584a7d5..cd4595d 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -2,8 +2,8 @@
 
 pkgbase=linux-vfio
 _srcname=linux-4.2
-pkgver=4.2
-pkgrel=4
+pkgver=4.2.1
+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
@@ -26,6 +26,8 @@ source=("https://www.kernel.org/pub/linux/kernel/v4.x/${_srcname}.tar.xz"
         'i915_317.patch'
         )
 sha256sums=('cf20e044f17588d2a42c8f2a450b0fd84dfdbd579b489d93e9ab7d0e8b45dbeb'
+            'SKIP'
+            '9d0ab6525eb5f42056e2465267c62fa67efc75c57ad5345b99414b783278e9a3'
             'SKIP'
             'e6f6f804f98ad321ce3e4395924993b51decb89699fde369391ccbb4bae928b2'
             'a071aaa327d2b3577fa4709b47ed5fe81c7914d168607f3db905fdbf226247e7'
@@ -48,7 +50,7 @@ prepare() {
   cd "${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