diff --git a/docs/_data/promo.yml b/docs/_data/promo.yml
index 4b30ca0..0d09b3a 100644
--- a/docs/_data/promo.yml
+++ b/docs/_data/promo.yml
@@ -13,5 +13,5 @@
     href: docs/quick_start.html#python-api
     text: Get started in Python
   - type: button
-    href: static/prophet_paper_20170113.pdf
+    href: static/prophet_paper_preprint.pdf
     text: Read the paper
diff --git a/docs/static/prophet_paper_preprint.pdf b/docs/static/prophet_paper_preprint.pdf
new file mode 100644
index 0000000..d17b5f9
Binary files /dev/null and b/docs/static/prophet_paper_preprint.pdf differ