diff --git a/Makefile b/Makefile
index 5bcdd84bd6a4d4..c8c1a10c9639d4 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ VERSION_MAJOR 	   = 1
 VERSION_MINOR 	   = 9
 PATCHLEVEL 	   = 0
 VERSION_RESERVED   = 0
-EXTRAVERSION       = -rc3
+EXTRAVERSION       = -rc4
 NAME 		   = Zephyr Kernel
 
 export SOURCE_DIR PROJECT