diff --git a/include/kernel-version.mk b/include/kernel-version.mk
index 8632d6a569..eaac886ebb 100644
--- a/include/kernel-version.mk
+++ b/include/kernel-version.mk
@@ -6,9 +6,9 @@ ifeq ($(LINUX_VERSION),)
     LINUX_RELEASE:=1
     LINUX_KERNEL_MD5SUM:=f59665540a7f3351ea416a0dad104b55
   else
-    LINUX_VERSION:=2.6.21.4
+    LINUX_VERSION:=2.6.21.5
     LINUX_RELEASE:=1
-    LINUX_KERNEL_MD5SUM:=c50995d713ba2d73f148e10073342568
+    LINUX_KERNEL_MD5SUM:=2e9a302b5d514b231640227d6a2ab7bf
   endif
 endif
 KERNEL:=2.$(word 2,$(subst ., ,$(strip $(LINUX_VERSION))))