diff --git a/Package.swift b/Package.swift
index e1a050ba..3c0d7019 100644
--- a/Package.swift
+++ b/Package.swift
@@ -120,7 +120,7 @@ let package = Package(
                 "DeveloperAPI",
                 "CXKit",
                 "XUtils",
-                .product(name: "XADI", package: "xadi", condition: .when(platforms: [.linux])),
+                .product(name: "XADI", package: "xadi", condition: .when(platforms: [.linux, .macOS])),
                 .product(name: "ConcurrencyExtras", package: "swift-concurrency-extras"),
                 .product(name: "Dependencies", package: "swift-dependencies"),
                 .product(name: "SwiftyMobileDevice", package: "SwiftyMobileDevice"),
diff --git a/Sources/XKit/GrandSlam/Anisette/ADIDataProvider.swift b/Sources/XKit/GrandSlam/Anisette/ADIDataProvider.swift
index 085730c4..490bae7c 100644
--- a/Sources/XKit/GrandSlam/Anisette/ADIDataProvider.swift
+++ b/Sources/XKit/GrandSlam/Anisette/ADIDataProvider.swift
@@ -245,6 +245,14 @@ public struct ADIDataProvider: AnisetteDataProvider {
         try? storage.setString(nil, forKey: Self.routingInfoKey)
     }
 
+    public var providerVersion: String? {
+        #if os(macOS)
+        return "1"
+        #else
+        return nil
+        #endif
+    }
+
     public func provisioningData() -> ProvisioningData? {
         guard let provisioningInfo = try? storage.data(forKey: Self.provisioningKey),
               let routingInfoString = try? storage.string(forKey: Self.routingInfoKey),
@@ -280,6 +288,23 @@ public struct ADIDataProvider: AnisetteDataProvider {
 
 }
 
-public struct ADIError: Error {
+public struct ADIError: Error, CustomStringConvertible {
     public var code: Int
+
+    public var description: String {
+        switch code {
+        case -45061:
+            return """
+            You were logged out. Please log in again with `xtool auth`.
+
+            If you see this repeatedly, please file an issue at https://github.com/xtool-org/xtool/issues/new/choose
+            """
+        default:
+            return """
+            Apple Anisette library returned error \(code). Please try logging in again with `xtool auth`.
+
+            If this problem persists, file an issue at https://github.com/xtool-org/xtool/issues/new/choose
+            """
+        }
+    }
 }
diff --git a/Sources/XKit/GrandSlam/Anisette/AnisetteDataProvider.swift b/Sources/XKit/GrandSlam/Anisette/AnisetteDataProvider.swift
index 474bbb06..5bca414f 100644
--- a/Sources/XKit/GrandSlam/Anisette/AnisetteDataProvider.swift
+++ b/Sources/XKit/GrandSlam/Anisette/AnisetteDataProvider.swift
@@ -10,8 +10,14 @@ import Foundation
 import Dependencies
 
 public protocol AnisetteDataProvider: Sendable {
+    /// Stored alongside login data. If the provider reports a new version, we log out and reset provisioning.
+    ///
+    /// The default implementation returns `nil`.
+    var providerVersion: String? { get }
+
     // This is a suggestion and not a requirement.
-    func resetProvisioning() async
+    func resetProvisioning()
+
     func provisioningData() -> ProvisioningData?
 
     func fetchAnisetteData() async throws -> AnisetteData
@@ -24,8 +30,9 @@ public struct ProvisioningData: Hashable, Codable, Sendable {
 }
 
 extension AnisetteDataProvider {
+    public var providerVersion: String? { nil }
     public func provisioningData() -> ProvisioningData? { nil }
-    public func resetProvisioning() async {}
+    public func resetProvisioning() {}
 }
 
 extension DependencyValues {
diff --git a/Sources/XToolSupport/AuthCommand.swift b/Sources/XToolSupport/AuthCommand.swift
index 40f86576..eaa6eea2 100644
--- a/Sources/XToolSupport/AuthCommand.swift
+++ b/Sources/XToolSupport/AuthCommand.swift
@@ -171,7 +171,7 @@ struct AuthLogoutCommand: AsyncParsableCommand {
 
         if reset2FA {
             @Dependency(\.anisetteDataProvider) var anisetteProvider
-            await anisetteProvider.resetProvisioning()
+            anisetteProvider.resetProvisioning()
             print("Forgot device")
         }
     }
diff --git a/Sources/XToolSupport/AuthToken.swift b/Sources/XToolSupport/AuthToken.swift
index eef02e8e..bf8d564d 100644
--- a/Sources/XToolSupport/AuthToken.swift
+++ b/Sources/XToolSupport/AuthToken.swift
@@ -9,6 +9,17 @@ enum AuthToken: Codable, CustomStringConvertible {
         var token: String
         var expiry: Date
         var teamID: String
+        var anisetteVersion: String?
+
+        init(appleID: String, adsid: String, token: String, expiry: Date, teamID: String) {
+            self.appleID = appleID
+            self.adsid = adsid
+            self.token = token
+            self.expiry = expiry
+            self.teamID = teamID
+            @Dependency(\.anisetteDataProvider) var anisetteProvider
+            self.anisetteVersion = anisetteProvider.providerVersion
+        }
     }
 
     struct AppStoreConnect: Codable {
@@ -58,7 +69,19 @@ extension AuthToken {
         guard let data = try storage.data(forKey: "XTLAuthToken") else {
             return nil
         }
-        return try decoder.decode(AuthToken.self, from: data)
+        let decoded = try decoder.decode(AuthToken.self, from: data)
+        switch decoded {
+        case .xcode(let xcode):
+            @Dependency(\.anisetteDataProvider) var anisetteProvider
+            guard xcode.anisetteVersion == anisetteProvider.providerVersion else {
+                try? clear()
+                anisetteProvider.resetProvisioning()
+                return nil
+            }
+        case .appStoreConnect:
+            break
+        }
+        return decoded
     }
 
     static func clear() throws {
diff --git a/macOS/Support/XToolMac.entitlements b/macOS/Support/XToolMac.entitlements
index 55d91602..5e84acac 100644
--- a/macOS/Support/XToolMac.entitlements
+++ b/macOS/Support/XToolMac.entitlements
@@ -2,6 +2,8 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>com.apple.security.cs.allow-unsigned-executable-memory</key>
+	<true/>
 	<key>keychain-access-groups</key>
 	<array>
 		<string>$(AppIdentifierPrefix)sh.xtool.keychain</string>