diff --git a/ExportOptions.plist b/ExportOptions.plist
index 511eb32..b8c60ba 100644
--- a/ExportOptions.plist
+++ b/ExportOptions.plist
@@ -3,7 +3,7 @@
 <plist version="1.0">
 <dict>
 	<key>method</key>
-	<string>developer-id</string>
+	<string>mac-application</string>
 	<key>signingStyle</key>
 	<string>automatic</string>
 	<key>teamID</key>
diff --git a/Releases/Thor19-17.delta b/Releases/Thor19-17.delta
new file mode 100644
index 0000000..4fb24cd
Binary files /dev/null and b/Releases/Thor19-17.delta differ
diff --git a/Releases/Thor_1.5.2.zip b/Releases/Thor_1.5.2.zip
new file mode 100644
index 0000000..fdc7af4
Binary files /dev/null and b/Releases/Thor_1.5.2.zip differ
diff --git a/Releases/appcast.xml b/Releases/appcast.xml
index 5158740..d2f20c9 100644
--- a/Releases/appcast.xml
+++ b/Releases/appcast.xml
@@ -38,5 +38,14 @@
             <sparkle:minimumSystemVersion>10.10</sparkle:minimumSystemVersion>
             <enclosure url="https://github.com/gbammc/Thor/raw/master/Releases/Thor_1.5.0.zip" sparkle:version="17" sparkle:shortVersionString="1.5.0" length="9585974" type="application/octet-stream" sparkle:edSignature="efncVOMVswfF/Qu4IAGrmaSl28oq0lNY2pL86tmAWj+VmsFFRONsRK5aznWDT7WSl04mKVxSv5Rj0TCdLwtWCQ=="/>
         </item>
+        <item>
+            <title>1.5.2</title>
+            <pubDate>Tue, 07 Jul 2020 23:42:56 +0800</pubDate>
+            <sparkle:minimumSystemVersion>10.10</sparkle:minimumSystemVersion>
+            <enclosure url="https://github.com/gbammc/Thor/raw/master/Releases/Thor_1.5.2.zip" sparkle:version="19" sparkle:shortVersionString="1.5.2" length="9573102" type="application/octet-stream" sparkle:edSignature="GoS35lyE8j0QMnJsWjBkZ7bG3DJ350lDmgr8IqyeCk/gRMA1dEMujGwDU9w/ZiKHkLtkTtoMwqW2sw9QaMxsAA=="/>
+            <sparkle:deltas>
+                <enclosure url="https://github.com/gbammc/Thor/raw/master/Releases/Thor19-17.delta" sparkle:version="19" sparkle:shortVersionString="1.5.2" sparkle:deltaFrom="17" length="179571" type="application/octet-stream" sparkle:edSignature="TA19yLQJGkv5s0K1y/BeJjiSTQw8R9aoi29Iw/JG/P+nBjBTczgkQcuZCWY2DaQdfj8CLM5hQ280i8+ftjwJAg=="/>
+            </sparkle:deltas>
+        </item>
     </channel>
 </rss>
\ No newline at end of file