diff --git a/core/linux-am33x/PKGBUILD b/core/linux-am33x/PKGBUILD
index 15e865b94..6e4fa103f 100644
--- a/core/linux-am33x/PKGBUILD
+++ b/core/linux-am33x/PKGBUILD
@@ -7,7 +7,7 @@ pkgbase=linux-am33x
 _srcname=linux-4.13
 _kernelname=${pkgbase#linux}
 _desc="TI AM335x Beaglebone (Black)"
-pkgver=4.13.0
+pkgver=4.13.1
 pkgrel=1
 rcnrel=bone0
 arch=('armv7h')
@@ -16,7 +16,7 @@ license=('GPL2')
 makedepends=('xmlto' 'docbook-xsl' 'kmod' 'inetutils' 'bc' 'git' 'dtc')
 options=('!strip')
 source=("http://www.kernel.org/pub/linux/kernel/v4.x/${_srcname}.tar.xz"
-        #"http://www.kernel.org/pub/linux/kernel/v4.x/patch-${pkgver}.xz"
+        "http://www.kernel.org/pub/linux/kernel/v4.x/patch-${pkgver}.xz"
         "http://rcn-ee.com/deb/sid-armhf/v${pkgver}-${rcnrel}/patch-${pkgver%.0}-${rcnrel}.diff.gz"
         "git+https://github.com/RobertCNelson/bb.org-overlays.git"
         '0001-add-lcd-cape-for-chiliboard.patch'
@@ -24,7 +24,8 @@ source=("http://www.kernel.org/pub/linux/kernel/v4.x/${_srcname}.tar.xz"
         'linux.preset'
         '99-linux.hook')
 md5sums=('ab1a2abc6f37b752dd2595338bec4e78'
-         '249cdf9cb13645ea433948ed17709b4d'
+         'e2824a53597a9af0bfb2c533386842f0'
+         '55d1b7ef3ee4904a5eb8d71cb0289fd4'
          'SKIP'
          'dc780fbf3d4d1175a94232d7ba1e3cb3'
          '5bfb6f722c15b3d6ee8401023394f06a'
@@ -35,7 +36,7 @@ prepare() {
   cd "${srcdir}/${_srcname}"
 
   # add upstream patch
-  #git apply --whitespace=nowarn "${srcdir}/patch-${pkgver}"
+  git apply --whitespace=nowarn "${srcdir}/patch-${pkgver}"
 
   # RCN patch
   git apply ../patch-${pkgver%.0}-${rcnrel}.diff