diff --git a/appcast.xml b/appcast.xml
index 81428ce..97ed3be 100644
--- a/appcast.xml
+++ b/appcast.xml
@@ -9,7 +9,7 @@
             <title>CotEditor 4.7.0</title>
             <pubDate>Sat, 09 Dec 2023 09:00:00 +0900</pubDate>
             
-            <sparkle:version>618</sparkle:version>
+            <sparkle:version>621</sparkle:version>
             <sparkle:shortVersionString>4.7.0</sparkle:shortVersionString>
             <sparkle:minimumSystemVersion>13.0</sparkle:minimumSystemVersion>
             <sparkle:releaseNotesLink xml:lang="en">https://coteditor.com/releasenotes/4.7.0.en.html</sparkle:releaseNotesLink>