diff --git a/make/linux.mk b/make/linux.mk
index 8a25ee145c..e80e4cce75 100644
--- a/make/linux.mk
+++ b/make/linux.mk
@@ -22,9 +22,9 @@
 ifneq ($(filter $(TARGETS),linux),)
 
 # Version of Linux to download and then apply patches to
-DOWNLOAD_LINUX_VERSION=2.4.20
+DOWNLOAD_LINUX_VERSION=2.4.21
 # Version of Linux AFTER patches
-LINUX_VERSION=2.4.21-pre4
+LINUX_VERSION=2.4.21
 
 LINUX_FORMAT=bzImage
 LINUX_BINLOC=arch/$(ARCH)/boot/$(LINUX_FORMAT)