diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index c49aeb5..2b1173c 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -17,9 +17,6 @@ jobs:
     # Only run this action if the PR isn't a draft and it is labled as a `security` PR
     if: github.event.pull_request.draft == false && contains(github.event.pull_request.labels.*.name, 'security')
 
-    env:
-      XCODE_VERSION: 'Xcode_16.3'
-
     name: Analyze (${{ matrix.language }})
     # Runner size impacts CodeQL analysis time. To learn more, please see:
     #   - https://gh.io/recommended-hardware-resources-for-running-codeql
@@ -27,7 +24,7 @@ jobs:
     #   - https://gh.io/using-larger-runners (GitHub.com only)
     # Consider using larger runners or machines with greater resources for possible analysis time improvements.
     
-    runs-on: macos-15
+    runs-on: macos-26
     timeout-minutes: ${{ (matrix.language == 'swift' && 120) || 360 }}
     permissions:
       # required for all workflows
@@ -50,8 +47,6 @@ jobs:
     steps:
     - name: Checkout repository
       uses: actions/checkout@v4
-    - name: Select Xcode
-      run: sudo xcode-select -s "/Applications/$XCODE_VERSION.app"
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v3
       with:
diff --git a/.github/workflows/xcodebuild.yml b/.github/workflows/xcodebuild.yml
index cbe81f3..32c7df3 100644
--- a/.github/workflows/xcodebuild.yml
+++ b/.github/workflows/xcodebuild.yml
@@ -13,15 +13,10 @@ jobs:
 
   build:
 
-    env:
-      XCODE_VERSION: 'Xcode_16.4'
-
-    runs-on: macos-15
+    runs-on: macos-26
 
     steps:
     - uses: actions/checkout@v4
-    - name: Select Xcode
-      run: sudo xcode-select -s "/Applications/$XCODE_VERSION.app"
     - name: Install SwiftLint
       run: brew install swiftlint
     - name: Lint
diff --git a/OAuthSample.xcodeproj/project.pbxproj b/OAuthSample.xcodeproj/project.pbxproj
index e4245ae..2b27bb3 100644
--- a/OAuthSample.xcodeproj/project.pbxproj
+++ b/OAuthSample.xcodeproj/project.pbxproj
@@ -202,7 +202,7 @@
 			attributes = {
 				BuildIndependentTargetsInParallel = 1;
 				LastSwiftUpdateCheck = 1640;
-				LastUpgradeCheck = 1630;
+				LastUpgradeCheck = 2600;
 				TargetAttributes = {
 					CE1FE0B52BF66AC400078EB1 = {
 						CreatedOnToolsVersion = 15.3;
@@ -345,6 +345,7 @@
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
 				MTL_FAST_MATH = YES;
 				ONLY_ACTIVE_ARCH = YES;
+				STRING_CATALOG_GENERATE_SYMBOLS = YES;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = "DEBUG $(inherited)";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 			};
@@ -400,6 +401,7 @@
 				LOCALIZATION_PREFERS_STRING_CATALOGS = YES;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				MTL_FAST_MATH = YES;
+				STRING_CATALOG_GENERATE_SYMBOLS = YES;
 				SWIFT_COMPILATION_MODE = wholemodule;
 			};
 			name = Release;
@@ -414,7 +416,11 @@
 				CURRENT_PROJECT_VERSION = 1;
 				DEAD_CODE_STRIPPING = YES;
 				DEVELOPMENT_ASSET_PATHS = "\"OAuthSample/Preview Content\"";
+				ENABLE_APP_SANDBOX = YES;
+				ENABLE_INCOMING_NETWORK_CONNECTIONS = YES;
+				ENABLE_OUTGOING_NETWORK_CONNECTIONS = YES;
 				ENABLE_PREVIEWS = YES;
+				ENABLE_USER_SELECTED_FILES = readonly;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_FILE = OAuthSample/Info.plist;
 				"INFOPLIST_KEY_UIApplicationSceneManifest_Generation[sdk=iphoneos*]" = YES;
@@ -455,7 +461,11 @@
 				CURRENT_PROJECT_VERSION = 1;
 				DEAD_CODE_STRIPPING = YES;
 				DEVELOPMENT_ASSET_PATHS = "\"OAuthSample/Preview Content\"";
+				ENABLE_APP_SANDBOX = YES;
+				ENABLE_INCOMING_NETWORK_CONNECTIONS = YES;
+				ENABLE_OUTGOING_NETWORK_CONNECTIONS = YES;
 				ENABLE_PREVIEWS = YES;
+				ENABLE_USER_SELECTED_FILES = readonly;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_FILE = OAuthSample/Info.plist;
 				"INFOPLIST_KEY_UIApplicationSceneManifest_Generation[sdk=iphoneos*]" = YES;
diff --git a/OAuthSample/OAuthSample.entitlements b/OAuthSample/OAuthSample.entitlements
index 40b639e..0c67376 100644
--- a/OAuthSample/OAuthSample.entitlements
+++ b/OAuthSample/OAuthSample.entitlements
@@ -1,14 +1,5 @@
 <?xml version="1.0" encoding="UTF-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.app-sandbox</key>
-	<true/>
-	<key>com.apple.security.files.user-selected.read-only</key>
-	<true/>
-	<key>com.apple.security.network.client</key>
-	<true/>
-	<key>com.apple.security.network.server</key>
-	<true/>
-</dict>
+<dict/>
 </plist>
diff --git a/README.md b/README.md
index a6e3d55..9d569e7 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 ![Build](https://github.com/codefiesta/OAuthSample/actions/workflows/xcodebuild.yml/badge.svg)
-![Xcode 16.4+](https://img.shields.io/badge/Xcode-16.4%2B-gold.svg)
+![Xcode 26.0+](https://img.shields.io/badge/Xcode-26.0%2B-gold.svg)
 ![Swift 6.1+](https://img.shields.io/badge/Swift-6.1%2B-tomato.svg)
 ![iOS 18.0+](https://img.shields.io/badge/iOS-18.0%2B-crimson.svg)
 ![macOS 15.0+](https://img.shields.io/badge/macOS-15.0%2B-skyblue.svg)