diff --git a/Makefile b/Makefile
index 1702639f08..9c21c3a571 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 .DEFAULT_GOAL := build
-RELEASE_VERSION := $(or ${RELEASE_VERSION},"v0.15.4")
+RELEASE_VERSION := $(or ${RELEASE_VERSION},"v0.15.5-rc.0")
 
 ifeq ($(CI),true)
 DOCKER_TTY_ARG=