diff --git a/Makefile b/Makefile
index 6abeda7..4860b7d 100644
--- a/Makefile
+++ b/Makefile
@@ -6,13 +6,18 @@ build-pptx:
 
 build-html:
 	marp src/index.md --allow-local-files -o build/index.html
+	cp -rv src/assets build
 
 clean:
 	test -f build/index.html && rm build/index.html || true
 	test -f build/slides.pdf && rm build/slides.pdf || true
 	test -f build/slides.pptx && rm build/slides.pptx || true
+	test -d build/assets && rm -fr build/assets || true
 
 build: build-html build-pdf build-pptx
+	test -f build/html.tar.gz && rm build/html.tar.gz || true
+	tar cvf build/html.tar build/index.html build/assets
+	gzip -9 build/html.tar
 
 serve:
 	marp --allow-local-files -w -s ./src