diff --git a/openwrt/vigir-1-firmware-upgrade.sh b/openwrt/vigir-1-firmware-upgrade.sh
index fcad3e7..2b5579e 100755
--- a/openwrt/vigir-1-firmware-upgrade.sh
+++ b/openwrt/vigir-1-firmware-upgrade.sh
@@ -12,7 +12,7 @@ set -x
 vigir_ip=$1; shift
 
 # openwrt
-version=23.05.3
+version=23.05.4
 filename=openwrt-${version}-ramips-mt7621-zbtlink_zbt-wg3526-16m-squashfs-sysupgrade.bin
 # don't care about other/old known_host entries
 ssh-keygen  -R ${vigir_ip}
diff --git a/openwrt/viirb-1-firmware-upgrade.sh b/openwrt/viirb-1-firmware-upgrade.sh
index 88310ac..07a309a 100755
--- a/openwrt/viirb-1-firmware-upgrade.sh
+++ b/openwrt/viirb-1-firmware-upgrade.sh
@@ -13,7 +13,7 @@ set -x
 viirb_ip=$1; shift
 
 # openwrt
-version=21.02.3
+version=23.05.4
 filename=openwrt-${version}-ramips-mt76x8-vocore_vocore2-squashfs-sysupgrade.bin
 
 # don't care about other/old known_host entries
diff --git a/openwrt/viwib-1-black-firmware-upgrade.sh b/openwrt/viwib-1-black-firmware-upgrade.sh
index 9a1479d..306c435 100755
--- a/openwrt/viwib-1-black-firmware-upgrade.sh
+++ b/openwrt/viwib-1-black-firmware-upgrade.sh
@@ -13,7 +13,7 @@ set -x
 viwib_ip=$1; shift
 
 # openwrt
-version=23.05.3
+version=23.05.4
 filename=openwrt-${version}-ath79-nand-glinet_gl-ar300m-nor-squashfs-sysupgrade.bin
 url=https://downloads.openwrt.org/releases/${version}/targets/ath79/nand
 
diff --git a/openwrt/viwib-1-yellow-firmware-upgrade.sh b/openwrt/viwib-1-yellow-firmware-upgrade.sh
index 761625e..e1b3cdf 100755
--- a/openwrt/viwib-1-yellow-firmware-upgrade.sh
+++ b/openwrt/viwib-1-yellow-firmware-upgrade.sh
@@ -13,7 +13,7 @@ set -x
 viwib_ip=$1; shift
 
 # openwrt
-version=22.03.5
+version=23.05.4
 filename=openwrt-${version}-ramips-mt76x8-glinet_gl-mt300n-v2-squashfs-sysupgrade.bin
 
 # don't care about other/old known_host entries