diff --git a/Input Source Pro/Models/PreferencesVM+BrowserAddress.swift b/Input Source Pro/Models/PreferencesVM+BrowserAddress.swift
index 838603f..94d4fa7 100644
--- a/Input Source Pro/Models/PreferencesVM+BrowserAddress.swift	
+++ b/Input Source Pro/Models/PreferencesVM+BrowserAddress.swift	
@@ -98,7 +98,7 @@ enum BrowserThatCanWatchBrowserAddressFocus: CaseIterable {
         return nil
     }
 
-    case Safari, SafariTechnologyPreview, Chrome, Chromium, Brave, BraveBeta, BraveNightly, Edge, Vivaldi, Arc, Opera, Firefox, FirefoxNightly, FirefoxDeveloperEdition
+    case Safari, SafariTechnologyPreview, Chrome, Chromium, Brave, BraveBeta, BraveNightly, Edge, Vivaldi, Arc, Opera, Firefox, FirefoxNightly, FirefoxDeveloperEdition, Zen
 
     var bundleIdentifier: String {
         return browser.rawValue
@@ -134,6 +134,8 @@ enum BrowserThatCanWatchBrowserAddressFocus: CaseIterable {
             return .FirefoxNightly
         case .FirefoxDeveloperEdition:
             return .FirefoxDeveloperEdition
+        case .Zen:
+            return .Zen
         }
     }
 
@@ -174,7 +176,7 @@ enum BrowserThatCanWatchBrowserAddressFocus: CaseIterable {
                 return false
             }
 
-        case .Firefox, .FirefoxNightly, .FirefoxDeveloperEdition:
+        case .Firefox, .FirefoxNightly, .FirefoxDeveloperEdition, .Zen:
             return focusedElement.firefoxDomIdentifier() == "urlbar-input"
         }
     }
diff --git a/Input Source Pro/Models/PreferencesVM+BrowserRule.swift b/Input Source Pro/Models/PreferencesVM+BrowserRule.swift
index 266d01f..ab2f86a 100644
--- a/Input Source Pro/Models/PreferencesVM+BrowserRule.swift	
+++ b/Input Source Pro/Models/PreferencesVM+BrowserRule.swift	
@@ -117,6 +117,8 @@ extension PreferencesVM {
             return preferences.isEnableURLSwitchForFirefoxDeveloperEdition
         case .FirefoxNightly:
             return preferences.isEnableURLSwitchForFirefoxNightly
+        case .Zen:
+            return preferences.isEnableURLSwitchForZen
         }
     }
 
diff --git a/Input Source Pro/Models/PreferencesVM.swift b/Input Source Pro/Models/PreferencesVM.swift
index cbd8d1d..f643b1c 100644
--- a/Input Source Pro/Models/PreferencesVM.swift	
+++ b/Input Source Pro/Models/PreferencesVM.swift	
@@ -172,6 +172,8 @@ extension PreferencesVM {
             guard preferences.isEnableURLSwitchForFirefoxDeveloperEdition else { return nil }
         case .FirefoxNightly:
             guard preferences.isEnableURLSwitchForFirefoxNightly else { return nil }
+        case .Zen:
+            guard preferences.isEnableURLSwitchForZen else { return nil }
         }
 
         if let application = application,
@@ -238,6 +240,7 @@ struct Preferences {
         static let isEnableURLSwitchForFirefox = "isEnableURLSwitchForFirefox"
         static let isEnableURLSwitchForFirefoxDeveloperEdition = "isEnableURLSwitchForFirefoxDeveloperEdition"
         static let isEnableURLSwitchForFirefoxNightly = "isEnableURLSwitchForFirefoxNightly"
+        static let isEnableURLSwitchForZen = "isEnableURLSwitchForZen"
 
         static let isAutoAppearanceMode = "isAutoAppearanceMode"
         static let appearanceMode = "appearanceMode"
@@ -352,6 +355,9 @@ struct Preferences {
     @UserDefault(Preferences.Key.isEnableURLSwitchForFirefoxNightly)
     var isEnableURLSwitchForFirefoxNightly = false
 
+    @UserDefault(Preferences.Key.isEnableURLSwitchForZen)
+    var isEnableURLSwitchForZen = false
+
     // MARK: - Appearance
 
     @available(*, deprecated, message: "Use indicatorInfo instead")
diff --git a/Input Source Pro/UI/Screens/BrowserRulesSettingsView.swift b/Input Source Pro/UI/Screens/BrowserRulesSettingsView.swift
index 6a62ed2..e2737c9 100644
--- a/Input Source Pro/UI/Screens/BrowserRulesSettingsView.swift	
+++ b/Input Source Pro/UI/Screens/BrowserRulesSettingsView.swift	
@@ -175,6 +175,8 @@ struct BrowserRulesSettingsView: View {
                 $0.isEnableURLSwitchForFirefoxDeveloperEdition = isEnable
             case .FirefoxNightly:
                 $0.isEnableURLSwitchForFirefoxNightly = isEnable
+            case .Zen:
+                $0.isEnableURLSwitchForZen = isEnable
             }
         }
     }
diff --git a/Input Source Pro/Utilities/BrowserURL.swift b/Input Source Pro/Utilities/BrowserURL.swift
index 2327913..fdd472b 100644
--- a/Input Source Pro/Utilities/BrowserURL.swift	
+++ b/Input Source Pro/Utilities/BrowserURL.swift	
@@ -18,6 +18,7 @@ enum Browser: String, CaseIterable {
     case Firefox = "org.mozilla.firefox"
     case FirefoxDeveloperEdition = "org.mozilla.firefoxdeveloperedition"
     case FirefoxNightly = "org.mozilla.nightly"
+    case Zen = "app.zen-browser.zen"
 
     var displayName: String {
         switch self {
@@ -51,6 +52,8 @@ enum Browser: String, CaseIterable {
             return "Firefox Developer Edition"
         case .FirefoxNightly:
             return "Firefox Nightly"
+        case .Zen:
+            return "Zen"
         }
     }
 }