diff --git a/.SRCINFO b/.SRCINFO
index a40d6b6..43a2526 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = linux-clear
-	pkgver = 4.15.3
-	pkgrel = 3
+	pkgver = 4.15.4
+	pkgrel = 1
 	url = https://github.com/clearlinux-pkgs/linux
 	arch = x86_64
 	license = GPL2
@@ -14,8 +14,8 @@ pkgbase = linux-clear
 	options = !strip
 	source = https://www.kernel.org/pub/linux/kernel/v4.x/linux-4.15.tar.xz
 	source = https://www.kernel.org/pub/linux/kernel/v4.x/linux-4.15.tar.sign
-	source = https://www.kernel.org/pub/linux/kernel/v4.x/patch-4.15.3.xz
-	source = https://www.kernel.org/pub/linux/kernel/v4.x/patch-4.15.3.sign
+	source = https://www.kernel.org/pub/linux/kernel/v4.x/patch-4.15.4.xz
+	source = https://www.kernel.org/pub/linux/kernel/v4.x/patch-4.15.4.sign
 	source = clearlinux::git+https://github.com/clearlinux-pkgs/linux.git#tag=4.15.3-529
 	source = https://downloadmirror.intel.com/27337/eng/microcode-20171117.tgz
 	source = 60-linux.hook
@@ -26,7 +26,7 @@ pkgbase = linux-clear
 	validpgpkeys = 647F28654894E3BD457199BE38DBBDC86092693E
 	sha256sums = 5a26478906d5005f4f809402e981518d2b8844949199f60c4b6e1f986ca2a769
 	sha256sums = SKIP
-	sha256sums = 6dd42389603bc6c83d2e6db1d736303e41d26cef479cad926b87711f261c9c35
+	sha256sums = 5f8344fcc6b15be5f53001bb18df342bf5877563239f03271c236e3a40db89e8
 	sha256sums = SKIP
 	sha256sums = SKIP
 	sha256sums = 93bd1da9fa58ece0016702e657f708b7e496e56da637a3fe9a6d21f1d6f524dc
diff --git a/PKGBUILD b/PKGBUILD
index 3775d30..5813054 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -3,10 +3,10 @@
 
 pkgbase=linux-clear
 __basekernel=4.15
-_minor=3
+_minor=4
 pkgver=${__basekernel}.${_minor}
 _clearver=${__basekernel}.3-529
-pkgrel=3
+pkgrel=1
 arch=('x86_64')
 url="https://github.com/clearlinux-pkgs/linux"
 license=('GPL2')
@@ -30,7 +30,7 @@ validpgpkeys=(
 )
 sha256sums=('5a26478906d5005f4f809402e981518d2b8844949199f60c4b6e1f986ca2a769'
             'SKIP'
-            '6dd42389603bc6c83d2e6db1d736303e41d26cef479cad926b87711f261c9c35'
+            '5f8344fcc6b15be5f53001bb18df342bf5877563239f03271c236e3a40db89e8'
             'SKIP'
             'SKIP'
             '93bd1da9fa58ece0016702e657f708b7e496e56da637a3fe9a6d21f1d6f524dc'
@@ -63,8 +63,10 @@ prepare() {
     sed -i "s|CONFIG_LOCALVERSION_AUTO=.*|CONFIG_LOCALVERSION_AUTO=n|" ./.config
   fi
 
-  # set extraversion to pkgrel
-  sed -ri "s|^(EXTRAVERSION =).*|\1 -${pkgrel}|" Makefile
+  # set extraversion to pkgrel and empty localversion
+  sed -e "/^EXTRAVERSION =/s/=.*/= -${pkgrel}/" \
+      -e "/^EXTRAVERSION =/aLOCALVERSION =" \
+      -i Makefile
 
   # don't run depmod on 'make install'. We'll do this ourselves in packaging
   sed -i '2iexit 0' scripts/depmod.sh
@@ -75,7 +77,7 @@ prepare() {
 build() {
   cd linux-${__basekernel}
 
-  make ${MAKEFLAGS} LOCALVERSION= bzImage modules
+  make bzImage modules
 }
 
 _package() {
@@ -88,12 +90,12 @@ _package() {
   cd linux-${__basekernel}
 
   # get kernel version
-  _kernver="$(make LOCALVERSION= kernelrelease)"
+  _kernver="$(make kernelrelease)"
   _basekernel=${_kernver%%-*}
   _basekernel=${_basekernel%.*}
 
   mkdir -p "${pkgdir}"/{boot,usr/lib/modules}
-  make LOCALVERSION= INSTALL_MOD_PATH="${pkgdir}/usr" modules_install
+  make INSTALL_MOD_PATH="${pkgdir}/usr" modules_install
   cp arch/x86/boot/bzImage "${pkgdir}/boot/vmlinuz-${pkgbase}"
 
   # make room for external modules