diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7ff15e6f85..7f202d5a7b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,7 +10,7 @@ defaults:
     shell: bash
     working-directory: src
 env:
-  CACHE_EPOCH: 1
+  CACHE_EPOCH: 4
   CCACHE_MAXSIZE: 200M
   CCACHE_MAXFILES: 0
   SCCACHE_CACHE_SIZE: 200M
@@ -386,7 +386,7 @@ jobs:
             openwrt: "target=x86 subtarget=64"
             target_cpu: x64
           - arch: x86
-            openwrt: "target=x86 subtarget=generic"
+            openwrt: "target=x86 subtarget=geode"
             target_cpu: x86
           - arch: aarch64_cortex-a53
             openwrt: "target=sunxi subtarget=cortexa53"
@@ -395,7 +395,9 @@ jobs:
           - arch: aarch64_cortex-a53-static
             openwrt: "target=sunxi subtarget=cortexa53"
             target_cpu: arm64
-            extra: 'arm_cpu="cortex-a53" build_static=true no_madvise_syscall=true'
+            extra: 'arm_cpu="cortex-a53" build_static=true use_allocator_shim=false use_partition_alloc=false'
+            openwrt_release: '23.05.0'
+            openwrt_gcc_ver: '12.3.0'
           - arch: aarch64_cortex-a72
             openwrt: "target=mvebu subtarget=cortexa72"
             target_cpu: arm64
@@ -403,16 +405,20 @@ jobs:
           - arch: aarch64_cortex-a72-static
             openwrt: "target=mvebu subtarget=cortexa72"
             target_cpu: arm64
-            extra: 'arm_cpu="cortex-a72" build_static=true no_madvise_syscall=true'
+            extra: 'arm_cpu="cortex-a72" build_static=true use_allocator_shim=false use_partition_alloc=false'
+            openwrt_release: '23.05.0'
+            openwrt_gcc_ver: '12.3.0'
           - arch: aarch64_generic
-            openwrt: "target=rockchip subtarget=armv8"
+            openwrt: "target=layerscape subtarget=armv8_64b"
             target_cpu: arm64
           - arch: aarch64_generic-static
-            openwrt: "target=rockchip subtarget=armv8"
+            openwrt: "target=layerscape subtarget=armv8_64b"
             target_cpu: arm64
-            extra: "build_static=true no_madvise_syscall=true"
+            extra: "build_static=true use_allocator_shim=false use_partition_alloc=false"
+            openwrt_release: '23.05.0'
+            openwrt_gcc_ver: '12.3.0'
           - arch: arm_arm1176jzf-s_vfp
-            openwrt: "target=bcm27xx subtarget=bcm2708"
+            openwrt: "target=brcm2708 subtarget=bcm2708"
             target_cpu: arm
             extra: 'arm_version=0 arm_cpu="arm1176jzf-s" arm_fpu="vfp" arm_float_abi="hard" arm_use_neon=false arm_use_thumb=false'
           - arch: arm_arm926ej-s
@@ -420,29 +426,35 @@ jobs:
             target_cpu: arm
             extra: 'arm_version=0 arm_cpu="arm926ej-s" arm_float_abi="soft" arm_use_neon=false arm_use_thumb=false'
           - arch: arm_cortex-a15_neon-vfpv4
-            openwrt: "target=armsr subtarget=armv7"
+            openwrt: "target=ipq806x subtarget=generic"
             target_cpu: arm
             extra: 'arm_version=0 arm_cpu="cortex-a15" arm_fpu="neon-vfpv4" arm_float_abi="hard" arm_use_neon=true'
           - arch: arm_cortex-a5_vfpv4
-            openwrt: "target=at91 subtarget=sama5"
+            openwrt: "target=at91 subtarget=sama5d3"
             target_cpu: arm
             extra: 'arm_version=0 arm_cpu="cortex-a5" arm_fpu="vfpv4" arm_float_abi="hard" arm_use_neon=false'
           - arch: arm_cortex-a7
             openwrt: "target=mediatek subtarget=mt7629"
             target_cpu: arm
             extra: 'arm_version=0 arm_cpu="cortex-a7" arm_float_abi="soft" arm_use_neon=false'
+            openwrt_release: '21.02.0'
+            openwrt_gcc_ver: '8.4.0'
           - arch: arm_cortex-a7_neon-vfpv4
             openwrt: "target=sunxi subtarget=cortexa7"
             target_cpu: arm
             extra: 'arm_version=0 arm_cpu="cortex-a7" arm_fpu="neon-vfpv4" arm_float_abi="hard" arm_use_neon=true'
+          - arch: arm_cortex-a7_neon-vfpv4-static
+            openwrt: "target=sunxi subtarget=cortexa7"
+            target_cpu: arm
+            extra: 'arm_version=0 arm_cpu="cortex-a7" arm_fpu="neon-vfpv4" arm_float_abi="hard" arm_use_neon=true build_static=true use_allocator_shim=false use_partition_alloc=false'
+            openwrt_release: '23.05.0'
+            openwrt_gcc_ver: '12.3.0'
           - arch: arm_cortex-a7_vfpv4
             openwrt: "target=at91 subtarget=sama7"
             target_cpu: arm
             extra: 'arm_version=0 arm_cpu="cortex-a7" arm_fpu="vfpv4" arm_float_abi="hard" arm_use_neon=false'
-          - arch: arm_cortex-a7_neon-vfpv4-static
-            openwrt: "target=sunxi subtarget=cortexa7"
-            target_cpu: arm
-            extra: 'arm_version=0 arm_cpu="cortex-a7" arm_fpu="neon-vfpv4" arm_float_abi="hard" arm_use_neon=true build_static=true no_madvise_syscall=true'
+            openwrt_release: '22.03.0'
+            openwrt_gcc_ver: '11.2.0'
           - arch: arm_cortex-a8_vfpv3
             openwrt: "target=sunxi subtarget=cortexa8"
             target_cpu: arm
@@ -454,13 +466,15 @@ jobs:
           - arch: arm_cortex-a9-static
             openwrt: "target=bcm53xx subtarget=generic"
             target_cpu: arm
-            extra: 'arm_version=0 arm_cpu="cortex-a9" arm_float_abi="soft" arm_use_neon=false build_static=true no_madvise_syscall=true'
+            extra: 'arm_version=0 arm_cpu="cortex-a9" arm_float_abi="soft" arm_use_neon=false build_static=true use_allocator_shim=false use_partition_alloc=false'
+            openwrt_release: '23.05.0'
+            openwrt_gcc_ver: '12.3.0'
           - arch: arm_cortex-a9_neon
-            openwrt: "target=zynq subtarget=generic"
+            openwrt: "target=imx6 subtarget=generic"
             target_cpu: arm
             extra: 'arm_version=0 arm_cpu="cortex-a9" arm_fpu="neon" arm_float_abi="hard" arm_use_neon=true'
           - arch: arm_cortex-a9_vfpv3-d16
-            openwrt: "target=tegra subtarget=generic"
+            openwrt: "target=mvebu subtarget=cortexa9"
             target_cpu: arm
             extra: 'arm_version=0 arm_cpu="cortex-a9" arm_fpu="vfpv3-d16" arm_float_abi="hard" arm_use_neon=false'
           - arch: arm_mpcore
@@ -478,17 +492,21 @@ jobs:
           - arch: mipsel_24kc-static
             openwrt: "target=ramips subtarget=rt305x"
             target_cpu: mipsel
-            extra: 'mips_arch_variant="r2" mips_float_abi="soft" build_static=true no_madvise_syscall=true'
+            extra: 'mips_arch_variant="r2" mips_float_abi="soft" build_static=true use_allocator_shim=false use_partition_alloc=false'
+            openwrt_release: '23.05.0'
+            openwrt_gcc_ver: '12.3.0'
           - arch: mipsel_mips32
-            openwrt: "target=bcm47xx subtarget=generic"
+            openwrt: "target=brcm47xx subtarget=legacy"
             target_cpu: mipsel
             extra: 'mips_arch_variant="r1" mips_float_abi="soft"'
           - arch: riscv64
             openwrt: "target=sifiveu subtarget=generic"
             target_cpu: riscv64
+            openwrt_release: '23.05.0'
+            openwrt_gcc_ver: '12.3.0'
     env:
       EXTRA_FLAGS: target_cpu="${{ matrix.target_cpu }}" target_os="openwrt" ${{ matrix.extra }}
-      OPENWRT_FLAGS: arch=${{ matrix.arch }} release=23.05.0 gcc_ver=12.3.0 ${{ matrix.openwrt }}
+      OPENWRT_FLAGS: arch=${{ matrix.arch }} release=${{ matrix.openwrt_release || '18.06.0' }} gcc_ver=${{ matrix.openwrt_gcc_ver || '7.3.0' }} ${{ matrix.openwrt }}
       BUNDLE: naiveproxy-${{ github.event.release.tag_name }}-${{ github.job }}-${{ matrix.arch }}
     steps:
       - uses: actions/checkout@v4
diff --git a/src/get-openwrt.sh b/src/get-openwrt.sh
index 4ae0056172..547c92fc53 100755
--- a/src/get-openwrt.sh
+++ b/src/get-openwrt.sh
@@ -15,17 +15,33 @@ arm_*) abi=musl_eabi;;
 *) abi=musl;;
 esac
 
-if [ "$subtarget" ]; then
-  SDK_PATH=openwrt-toolchain-$release-$target-${subtarget}_gcc-${gcc_ver}_${abi}.Linux-x86_64
+major=${release%%.*}
+if [ "$major" -ge 22 ]; then
+  path_suffix=toolchain
 else
-  subtarget='generic'
-  SDK_PATH=openwrt-toolchain-$release-${target}_gcc-${gcc_ver}_${abi}.Linux-x86_64
+  path_suffix=sdk
+fi
+
+if [ ! "$subtarget" ]; then
+  subtarget=generic
+fi
+
+if [ "$subtarget" != generic -o "$major" -ge 22 ]; then
+  SDK_PATH=openwrt-$path_suffix-$release-$target-${subtarget}_gcc-${gcc_ver}_${abi}.Linux-x86_64
+else
+  SDK_PATH=openwrt-$path_suffix-$release-${target}_gcc-${gcc_ver}_${abi}.Linux-x86_64
 fi
 SDK_URL=https://downloads.openwrt.org/releases/$release/targets/$target/$subtarget/$SDK_PATH.tar.xz
 rm -rf $SDK_PATH
 curl $SDK_URL | tar xJf -
-cd $SDK_PATH
+
 full_root=toolchain-*_gcc-${gcc_ver}_${abi}
+
+if [ "$major" -lt 22 ]; then
+  mv $SDK_PATH/staging_dir/$full_root $SDK_PATH
+fi
+
+cd $SDK_PATH
 cat >include.txt <<EOF
 ./include
 ./lib/*.o