diff -uNr aptly-1.4.0/Makefile aptly-1.4.0.mod/Makefile
--- aptly-1.4.0/Makefile	2019-07-06 16:03:14.000000000 +0300
+++ aptly-1.4.0.mod/Makefile	2019-07-23 00:58:29.206419471 +0300
@@ -4,7 +4,7 @@
 else
 	TAG="$(shell git describe --tags)"
 endif
-VERSION=$(shell echo $(TAG) | sed 's@^v@@' | sed 's@-@+@g')
+VERSION ?= $(shell echo $(TAG) | sed 's@^v@@' | sed 's@-@+@g')
 PACKAGES=context database deb files gpg http query swift s3 utils
 PYTHON?=python
 TESTS?=