diff --git a/.buildbot/openwrt/build.sh b/.buildbot/openwrt/build.sh
index 3f09a9f..a9bb98a 100755
--- a/.buildbot/openwrt/build.sh
+++ b/.buildbot/openwrt/build.sh
@@ -1,21 +1,22 @@
 #!/bin/bash
 
-git clone https://git.openwrt.org/openwrt/openwrt.git
+# use imagebuilder
 
-cd openwrt
-git checkout tags/20.03.2
+OPENWRT_VERSION=22.03.2
 
-./scripts/feeds update -a
-./scripts/feeds install -a
+# for i in openwrt-imagebuilder-${OPENWRT_VERSION}-bcm27xx-bcm2711.Linux-x86_64.tar.xz \
+#          openwrt-sdk-${OPENWRT_VERSION}-bcm27xx-bcm2711_gcc-11.2.0_musl.Linux-x86_64.tar.xz \
+#          openwrt-toolchain-${OPENWRT_VERSION}-bcm27xx-bcm2711_gcc-11.2.0_musl.Linux-x86_64.tar.xz
+for i in openwrt-imagebuilder-${OPENWRT_VERSION}-bcm27xx-bcm2711.Linux-x86_64.tar.xz
+    do
+    wget -qs
+        https://downloads.openwrt.org/releases/${OPENWRT_VERSION}/targets/bcm27xx/bcm2711/$i || exit 1
+done
 
-#wget https://downloads.openwrt.org/releases/22.03.2/targets/bcm27xx/bcm2711/config.buildinfo -O .config
-cp ../config.buildinfo .config
-make defconfig
-#make -j $(nproc) V=w
-make V=s
+tar -xJf openwrt-imagebuilder-${OPENWRT_VERSION}-*.tar.xz
+cd openwrt-imagebuilder-*/
 
-find ~ -type d -name bin
-find bin
+make info
 
 # check RTC