diff --git a/Makefile b/Makefile
index 6cd31bf..8b46da9 100644
--- a/Makefile
+++ b/Makefile
@@ -133,9 +133,9 @@ alg/qrtool:
 
 RELEASE_VERSION := $(shell git describe --tags --abbrev=0 | sed 's/^emblemscanner-//')
 
-emblemscanner-release: build/emblemscanner-$(RELEASE_VERSION).tar.gz
+emblemscanner-release: build/emblemscanner-$(RELEASE_VERSION).zip
 
-build/emblemscanner-$(RELEASE_VERSION).tar.gz: FORCE
+build/emblemscanner-$(RELEASE_VERSION).zip: FORCE
 	- rm -rf $@
 	git diff --exit-code
 	if test -z "$(RELEASE_VERSION)"; then \
@@ -146,6 +146,5 @@ build/emblemscanner-$(RELEASE_VERSION).tar.gz: FORCE
 		echo "git head not tagged as $(RELEASE_VERSION)"; \
 		exit 1; \
 	fi
-	tar -cf build/emblemscanner-$(RELEASE_VERSION).tar -C scanner pages/emblemscanner
-	cd scanner/pages/emblemscanner && tar -uf ../../../build/emblemscanner-$(RELEASE_VERSION).tar README.md
-	gzip build/emblemscanner-$(RELEASE_VERSION).tar
\ No newline at end of file
+	zip -r build/emblemscanner-$(RELEASE_VERSION).zip scanner/pages/emblemscanner
+	cd scanner/pages/emblemscanner && zip -g ../../../build/emblemscanner-$(RELEASE_VERSION).zip README.md
\ No newline at end of file