Linux 5.13-rc4
diff --git a/Makefile b/Makefile
index 82ef373..b79e0e8 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
 VERSION = 5
 PATCHLEVEL = 13
 SUBLEVEL = 0
-EXTRAVERSION = -rc3
+EXTRAVERSION = -rc4
 NAME = Frozen Wasteland
 
 # *DOCUMENTATION*