diff --git a/build.sh b/build.sh
index cf89cc52..c93d02e4 100755
--- a/build.sh
+++ b/build.sh
@@ -4,7 +4,7 @@ set -eu -o pipefail
 
 ## Update docker image tag, because kernel build is using `uname -r` when defining package version variable
 # KERNEL_VERSION=$(curl -s https://www.kernel.org | grep '<strong>' | head -3 | tail -1 | cut -d'>' -f3 | cut -d'<' -f1)
-KERNEL_VERSION=5.13.14
+KERNEL_VERSION=5.13.15
 PKGREL=1
 #KERNEL_REPOSITORY=git://kernel.ubuntu.com/virgin/linux-stable.git
 KERNEL_REPOSITORY=https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
@@ -87,7 +87,7 @@ make olddefconfig
 echo "" >"${KERNEL_PATH}"/.scmversion
 
 # Build Deb packages
-make -j "$(getconf _NPROCESSORS_ONLN)" deb-pkg LOCALVERSION=-mbp-16x-wifi KDEB_PKGVERSION="$(make kernelversion)-$(get_next_version)"
+make -j "$(getconf _NPROCESSORS_ONLN)" deb-pkg LOCALVERSION=-T2-Big-Sur KDEB_PKGVERSION="$(make kernelversion)-$(get_next_version)"
 
 #### Copy artifacts to shared volume
 echo >&2 "===]> Info: Copying debs and calculating SHA256 ... "