diff --git a/CMakeLists.txt b/CMakeLists.txt
index cef40843..fc9cdd31 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -229,8 +229,8 @@ if(UNIX AND APPLE)
     set(MACOSX_BUNDLE_LONG_VERSION_STRING "${Launcher_VERSION_MAJOR}.${Launcher_VERSION_MINOR}.${Launcher_VERSION_HOTFIX}")
     set(MACOSX_BUNDLE_ICON_FILE ${Launcher_Name}.icns)
     set(MACOSX_BUNDLE_COPYRIGHT "Copyright 2021-2022 ${Launcher_Copyright}")
-    set(MACOSX_SPARKLE_UPDATE_PUBLIC_KEY "qATG/94DDm31fqxgoAEl0wbfVB3fWiL3XQP1YH9LWTA=")
-    set(MACOSX_SPARKLE_UPDATE_FEED_URL "https://gist.githubusercontent.com/kthchew/a88603ad35aef8ada84d574c74bd5a4e/raw/test-appcast.xml")
+    set(MACOSX_SPARKLE_UPDATE_PUBLIC_KEY "idALcUIazingvKSSsEa9U7coDVxZVx/ORpOEE/QtJfg=")
+    set(MACOSX_SPARKLE_UPDATE_FEED_URL "https://polymc.org/feed/appcast.xml")
 
     set(MACOSX_SPARKLE_DOWNLOAD_URL "https://github.com/sparkle-project/Sparkle/releases/download/2.1.0/Sparkle-2.1.0.tar.xz" CACHE STRING "URL to Sparkle release archive")
     set(MACOSX_SPARKLE_SHA256 "bf6ac1caa9f8d321d5784859c88da874f28412f37fb327bc21b7b14c5d61ef94" CACHE STRING "SHA256 checksum for Sparkle release archive")