diff --git a/.github/workflows/functional-test.yml b/.github/workflows/functional-test.yml
index 1f2f703a..39aa9c6f 100644
--- a/.github/workflows/functional-test.yml
+++ b/.github/workflows/functional-test.yml
@@ -55,14 +55,14 @@ jobs:
             platform: tvOS
             wdaName: WebDriverAgentRunner_tvOS-Runner.app
 
-    runs-on: macos-15
+    runs-on: macos-26
 
     # Please make sure the available Xcode versions and iOS versions
     # on the runner images. https://github.com/actions/runner-images
     env:
-      XCODE_VERSION: 16.4
-      IOS_VERSION: 18.5
-      IOS_DEVICE_NAME: iPhone 16 Plus
+      XCODE_VERSION: 26.4
+      IOS_VERSION: 26.4
+      IOS_DEVICE_NAME: iPhone 17
 
     steps:
     - uses: actions/checkout@v6
@@ -80,7 +80,7 @@ jobs:
 
     - uses: futureware-tech/simulator-action@v5
       with:
-        # https://github.com/actions/runner-images/blob/main/images/macos/macos-15-arm64-Readme.md
+        # https://github.com/actions/runner-images/blob/main/images/macos/macos-26-arm64-Readme.md
         model: ${{ env.IOS_DEVICE_NAME }}
         os_version: ${{ env.IOS_VERSION }}
         wait_for_boot: true
@@ -123,14 +123,14 @@ jobs:
           test/report/
 
   ios_test_with_other_deps:
-    runs-on: macos-15
+    runs-on: macos-26
 
     # Please make sure the available Xcode versions and iOS versions
     # on the runner images. https://github.com/actions/runner-images
     env:
-      XCODE_VERSION: 16.4
-      IOS_VERSION: 18.5
-      IOS_DEVICE_NAME: iPhone 16 Plus
+      XCODE_VERSION: 26.4
+      IOS_VERSION: 26.4
+      IOS_DEVICE_NAME: iPhone 17
 
     steps:
     - uses: actions/checkout@v6
@@ -148,7 +148,7 @@ jobs:
 
     - uses: futureware-tech/simulator-action@v5
       with:
-      # https://github.com/actions/runner-images/blob/main/images/macos/macos-15-arm64-Readme.md
+      # https://github.com/actions/runner-images/blob/main/images/macos/macos-26-arm64-Readme.md
         model: ${{ env.IOS_DEVICE_NAME }}
         os_version: ${{ env.IOS_VERSION }}
         wait_for_boot: true