diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 81f9b926b7..15904c9071 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -238,9 +238,11 @@ jobs:
     needs: gate
     if: ${{ needs.gate.outputs.proceed == 'true' }}
     continue-on-error: true
-    runs-on: macos-15
+    runs-on: macos-26
     steps:
       - uses: actions/checkout@v7
+      - name: Select Xcode
+        run: sudo xcode-select -switch /Applications/Xcode.app
       - name: Build unsigned IPA
         run: ./platforms/ios/scripts/build-ios-ipa.sh