Linux 2.6.31-rc4
diff --git a/Makefile b/Makefile
index 79957b3..063d738 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 31
-EXTRAVERSION = -rc3
+EXTRAVERSION = -rc4
 NAME = Man-Eating Seals of Antiquity
 
 # *DOCUMENTATION*