diff --git a/openwrt/target/linux/aruba-2.6/Makefile b/openwrt/target/linux/aruba-2.6/Makefile
index 3c0c93eea02..24330c08f1d 100644
--- a/openwrt/target/linux/aruba-2.6/Makefile
+++ b/openwrt/target/linux/aruba-2.6/Makefile
@@ -1,8 +1,8 @@
 include $(TOPDIR)/rules.mk
 
-LINUX_VERSION:=2.6.16.3
+LINUX_VERSION:=2.6.16.4
 LINUX_RELEASE:=1
-LINUX_KERNEL_MD5SUM:=e8e3f458c72671d8ac041c10b49e2b3f
+LINUX_KERNEL_MD5SUM:=cb675279c9711237a06ebb8379a4da27
 
 include ../rules.mk
 include ./config
diff --git a/openwrt/target/linux/au1000-2.6/Makefile b/openwrt/target/linux/au1000-2.6/Makefile
index 67a97acc857..ff84f664ac4 100644
--- a/openwrt/target/linux/au1000-2.6/Makefile
+++ b/openwrt/target/linux/au1000-2.6/Makefile
@@ -1,8 +1,8 @@
 include $(TOPDIR)/rules.mk
 
-LINUX_VERSION:=2.6.16.3
+LINUX_VERSION:=2.6.16.4
 LINUX_RELEASE:=1
-LINUX_KERNEL_MD5SUM:=e8e3f458c72671d8ac041c10b49e2b3f
+LINUX_KERNEL_MD5SUM:=cb675279c9711237a06ebb8379a4da27
 
 include ../rules.mk
 include ./config
diff --git a/openwrt/target/linux/brcm-2.6/Makefile b/openwrt/target/linux/brcm-2.6/Makefile
index 9787073485e..9f99fbd6356 100644
--- a/openwrt/target/linux/brcm-2.6/Makefile
+++ b/openwrt/target/linux/brcm-2.6/Makefile
@@ -1,8 +1,8 @@
 include $(TOPDIR)/rules.mk
 
-LINUX_VERSION:=2.6.16.3
+LINUX_VERSION:=2.6.16.4
 LINUX_RELEASE:=1
-LINUX_KERNEL_MD5SUM:=e8e3f458c72671d8ac041c10b49e2b3f
+LINUX_KERNEL_MD5SUM:=cb675279c9711237a06ebb8379a4da27
 
 include ../rules.mk
 include ./config
diff --git a/openwrt/target/linux/x86-2.6/Makefile b/openwrt/target/linux/x86-2.6/Makefile
index d8ecd1306f1..d7be454c656 100644
--- a/openwrt/target/linux/x86-2.6/Makefile
+++ b/openwrt/target/linux/x86-2.6/Makefile
@@ -1,8 +1,8 @@
 include $(TOPDIR)/rules.mk
 
-LINUX_VERSION:=2.6.16.3
+LINUX_VERSION:=2.6.16.4
 LINUX_RELEASE:=1
-LINUX_KERNEL_MD5SUM:=e8e3f458c72671d8ac041c10b49e2b3f
+LINUX_KERNEL_MD5SUM:=cb675279c9711237a06ebb8379a4da27
 
 include ../rules.mk
 include ./config