diff --git a/appcast.xml b/appcast.xml
index 1ed247f..d1267b2 100644
--- a/appcast.xml
+++ b/appcast.xml
@@ -15,9 +15,9 @@
             <sparkle:releaseNotesLink xml:lang="en">https://coteditor.com/releasenotes/5.0.4.en.html</sparkle:releaseNotesLink>
             <sparkle:releaseNotesLink xml:lang="ja">https://coteditor.com/releasenotes/5.0.4.ja.html</sparkle:releaseNotesLink>
             <enclosure url="https://github.com/coteditor/CotEditor/releases/download/5.0.4/CotEditor_5.0.4.dmg"
-                       length="17551636"
+                       length="17551609"
                        type="application/octet-stream"
-                        sparkle:edSignature="Dsl3ocfezmrKFIz7BrBcUXAJC2++2+lkYS9jYAOPSASYipM0LvhexWpZzaQm2WcS1/6VhnokmAxZlIvQiH4rCQ=="/>
+                        sparkle:edSignature="edveeC/UGNqykwFYMaokeMo2b1Xp+yKP3TeviP1bCh+Z9sXHpZB0MEB4yv5TOxhM1aGB6t/YTL7rcReinlQxBQ=="/>
         </item>
 
         <item>