diff --git a/README.Packaging b/README.Packaging
index 1ea8ea4..e582d9f 100644
--- a/README.Packaging
+++ b/README.Packaging
@@ -1,6 +1,15 @@
 Packaging Geiger Counter Logger
 ===============================
 
+Arch Linux
+----------
+Recipe from: https://wiki.archlinux.org/index.php/creating_packages
+
+1. pacman -S base-devel
+2. Copy PKGBUILD to working directory
+3. makepkg
+4. PKG package is created in working directory
+
 OpenWrt
 -------
 Recipe from: https://openwrt.org/docs/guide-developer/using_the_sdk
diff --git a/openwrt/Makefile b/openwrt/Makefile
index 175eec6..7c34ea0 100644
--- a/openwrt/Makefile
+++ b/openwrt/Makefile
@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=gclog
-PKG_VERSION:=0.2.4
+PKG_VERSION:=0.2.5
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
diff --git a/openwrt/buildenv.sh b/openwrt/buildenv.sh
index 926f4da..295d12b 100755
--- a/openwrt/buildenv.sh
+++ b/openwrt/buildenv.sh
@@ -2,13 +2,13 @@
 
 # Setup buildroot
 # ---------------
-# 1. Download OpenWrt SDK, ex. Barrier Breaker 14.07 for ar71xx architecture:
-#    http://downloads.openwrt.org/barrier_breaker/14.07/ar71xx/generic/OpenWrt-SDK-ar71xx-for-linux-x86_64-gcc-4.8-linaro_uClibc-0.9.33.2.tar.bz2
-# 2. Extract archive to ~/OpenWrt
-# 3. Modify toolchain path if needed
-# 4. Execute "source buildenv.sh"
+# 1. Download OpenWrt SDK, ex. version 18.06.2 for ar71xx architecture:
+#    https://downloads.openwrt.org/releases/18.06.2/targets/ar71xx/generic/openwrt-sdk-18.06.2-ar71xx-generic_gcc-7.3.0_musl.Linux-x86_64.tar.xz
+# 2. Execute "source buildenv.sh"
 
-export STAGING_DIR="~/OpenWrt/staging_dir"
-export CC="${STAGING_DIR}/toolchain-mips_34kc_gcc-4.8-linaro_uClibc-0.9.33.2/bin/mips-openwrt-linux-gcc"
+mkdir openwrt && tar -xaf openwrt-sdk*.tar.xz --strip-components 1 -C openwrt/
+
+export STAGING_DIR=$(realpath ./openwrt/staging_dir)
+export CC=`find "$STAGING_DIR"/toolchain*/bin/*openwrt-linux-gcc -print`
 
 echo 'Build environment set, now run "make".'