diff --git a/Makefile b/Makefile
index 8fd10a6..19f12b3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-VERSION ?= 1.6.3
+VERSION ?= 1.6.4
 GIT_HASH = $(shell git rev-parse --short HEAD)
 DELIVERY_ENGINEERING_GPG_KEY = 0x877817E441F4F9B0