diff --git a/Casks/l/loopback.rb b/Casks/l/loopback.rb
index edd6e65c31..dab8e2b96a 100644
--- a/Casks/l/loopback.rb
+++ b/Casks/l/loopback.rb
@@ -8,20 +8,28 @@ cask "loopback" do
   homepage "https://rogueamoeba.com/loopback/"
 
   livecheck do
-    url :url
-    strategy :extract_plist
+    url "https://rogueamoeba.net/ping/versionCheck.cgi?format=sparkle&system=1231&bundleid=com.rogueamoeba.Loopback&platform=osx&version=#{version.no_dots}8000"
+    strategy :sparkle
   end
 
   auto_updates true
-  depends_on macos: ">= :catalina"
+  depends_on macos: ">= :big_sur"
 
   app "Loopback.app"
 
+  uninstall delete: [
+    "~/Library/LaunchAgents/com.rogueamoeba.loopbackd.plist",
+  ], quit: [
+    "com.rogueamoeba.Loopback",
+    "com.rogueamoeba.loopbackd",
+  ]
+
   zap trash: [
     "~/Library/Application Support/Loopback",
     "~/Library/Caches/com.rogueamoeba.Loopback",
     "~/Library/Caches/com.rogueamoeba.loopbackd",
-    "~/Library/LaunchAgents/com.rogueamoeba.loopbackd.plist",
+    "~/Library/HTTPStorages/com.rogueamoeba.Loopback/",
+    "~/Library/HTTPStorages/com.rogueamoeba.loopbackd/",
     "~/Library/Preferences/com.rogueamoeba.Loopback.plist",
     "~/Library/Preferences/com.rogueamoeba.loopbackd.plist",
     "~/Library/WebKit/com.rogueamoeba.Loopback",