diff --git a/appcast.xml b/appcast.xml
index e47a8b0..52902cd 100644
--- a/appcast.xml
+++ b/appcast.xml
@@ -4,7 +4,7 @@
         <title>HoyoBar</title>
         <item>
             <title>1.1</title>
-            <pubDate>Wed, 28 Dec</pubDate>
+            <pubDate>Wed, 28 Dec 2022</pubDate>
             <sparkle:version>101</sparkle:version>
             <sparkle:shortVersionString>1.1</sparkle:shortVersionString>
             <sparkle:minimumSystemVersion>10.13</sparkle:minimumSystemVersion>