diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..99df59b
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,2 @@
+default: books.csv genfeed.py
+ ./genfeed.py < books.csv > feed.xml
diff --git a/feed.xml b/feed.xml
index 3baddd2..3c440fd 100644
--- a/feed.xml
+++ b/feed.xml
@@ -6,7 +6,7 @@
https://git.tilde.town/dozens/books
en-US
- Sat, 17 Apr 2021 17:00:58 +0000
+ Sat, 17 Apr 2021 17:02:13 +0000
https://www.rssboard.org/rss-specification
dozens@tilde.town (~dozens)
Python 3.7.7