diff --git a/access-points/Makefile b/access-points/Makefile
index e1da798..8d6decf 100644
--- a/access-points/Makefile
+++ b/access-points/Makefile
@@ -1,10 +1,12 @@
 all: its
 
+OPENWRT_VERSION=18.06.1
+
 its-tl-wr841-v10:
-	IMAGEBUILDER_URL='https://downloads.openwrt.org/releases/18.06.0/targets/ar71xx/tiny/openwrt-imagebuilder-18.06.0-ar71xx-tiny.Linux-x86_64.tar.xz' ./build-image.sh control/tl-wr841-v10
+	IMAGEBUILDER_URL='https://downloads.openwrt.org/releases/$(OPENWRT_VERSION)/targets/ar71xx/tiny/openwrt-imagebuilder-$(OPENWRT_VERSION)-ar71xx-tiny.Linux-x86_64.tar.xz' ./build-image.sh control/tl-wr841-v10
 
 its-ubnt-unifiac-lite:
-	IMAGEBUILDER_URL='https://downloads.openwrt.org/releases/18.06.0/targets/ar71xx/generic/openwrt-imagebuilder-18.06.0-ar71xx-generic.Linux-x86_64.tar.xz' ./build-image.sh control/ubnt-unifiac-lite
+	IMAGEBUILDER_URL='https://downloads.openwrt.org/releases/$(OPENWRT_VERSION)/targets/ar71xx/generic/openwrt-imagebuilder-$(OPENWRT_VERSION)-ar71xx-generic.Linux-x86_64.tar.xz' ./build-image.sh control/ubnt-unifiac-lite
 
 its: its-ubnt-unifiac-lite its-tl-wr841-v10