diff --git a/Makefile b/Makefile
index 0a70061..fad99de 100644
--- a/Makefile
+++ b/Makefile
@@ -4,3 +4,13 @@ SET_VERSION = $(eval CURRENT_VERSION=$(VERSION))
 default:
 	$(SET_VERSION)
 	zip -r releases/epas-ripper-$(CURRENT_VERSION).xpi style.css content.js lib archive-viewer manifest.json icons
+
+prepare_pack:
+	rm -rf build
+	mkdir -p build
+	cp -r style.css content.js lib archive-viewer manifest.json icons build
+
+pack: prepare_pack
+	$(SET_VERSION)
+	chromium-browser --pack-extension=build --pack-extension-key=key.pem
+	mv build.crx releases/epas-ripper-$(CURRENT_VERSION).crx