diff --git a/.buildbot/openwrt/Dockerfile b/.buildbot/openwrt/Dockerfile
index 953f9cf..4a5256d 100644
--- a/.buildbot/openwrt/Dockerfile
+++ b/.buildbot/openwrt/Dockerfile
@@ -9,10 +9,10 @@ RUN DEBIAN_FRONTEND=noninteractive TZ=UTC \
   gettext xsltproc wget unzip python python3-distutils
 
 # Board build parameters
-ENV OPENWRT_VERSION=22.03.2
+ENV OPENWRT_VERSION=23.05.2
 ENV OPENWRT_TARGET=bcm27xx
 ENV OPENWRT_DEVICE=bcm2711
-ENV OPENWRT_CC=gcc-11.2.0_musl
+ENV OPENWRT_CC=gcc-12.3.0_musl
 
 RUN mkdir /Downloads
 
diff --git a/.buildbot/openwrt/build.sh b/.buildbot/openwrt/build.sh
index 828afb8..9cdc049 100755
--- a/.buildbot/openwrt/build.sh
+++ b/.buildbot/openwrt/build.sh
@@ -40,12 +40,10 @@ echo "CONFIG_KERNEL_BLK_DEV_NVME=y" >> .config
 echo "CONFIG_KERNEL_NVME_HWMON=y" >> .config
 echo "CONFIG_KERNEL_NVME_MULTIPATH=n" >> .config
 
-# Prepare
-make download check prepare
-make kernel_oldconfig target/linux/clean prepare
-
-# Kernel modules
-make target/linux
+# Kernel
+make package/kernel/linux/clean
+make package/kernel/linux/prepare
+make package/kernel/linux/compile
 
 ${MAKE} package/i2c-tools/compile
 make package/kmod-i2c-mux-pinctrl/compile
@@ -56,9 +54,6 @@ make package/ansible-core/compile
 ${MAKE} package/asterisk-chan-quectel/compile
 ${MAKE} package/collectd/compile
 
-# Kernel image
-make -B target/linux
-
 sdkdir=$(pwd)
 cd ${pwd}