Linux 3.1-rc4
diff --git a/Makefile b/Makefile
index 788511f..c3e90c5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 1
 SUBLEVEL = 0
-EXTRAVERSION = -rc3
+EXTRAVERSION = -rc4
 NAME = "Divemaster Edition"
 
 # *DOCUMENTATION*