diff --git a/[refs] b/[refs]
index 3a2fc64324af..516798a365ac 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d2149b542382bfc206cb28485108f6470c979566
+refs/heads/master: 5666c0947ede0432ba5148570aa66ffb9febff5b
diff --git a/trunk/Makefile b/trunk/Makefile
index 5187fee78080..4643d579fc87 100644
--- a/trunk/Makefile
+++ b/trunk/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 15
-EXTRAVERSION =-rc3
+EXTRAVERSION =-rc4
 NAME=Affluent Albatross
 
 # *DOCUMENTATION*