diff --git a/.appcast.xml b/.appcast.xml
new file mode 100644
index 0000000..d0f8401
--- /dev/null
+++ b/.appcast.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<rss xmlns:sparkle="http://www.andymatuschak.org/xml-namespaces/sparkle" xmlns:dc="http://purl.org/dc/elements/1.1/" version="2.0">
+  <channel>
+    <item>
+      <enclosure url="https://github.com/perrysmotors/photo-grid/releases/download/v3.1.2/PhotoGrid.sketchplugin.zip" sparkle:version="3.1.2"/>
+    </item>
+  </channel>
+</rss>
\ No newline at end of file