diff --git a/.github/workflows/e2e-v2.yml b/.github/workflows/e2e-v2.yml
index decc401c34..d5610b8a0b 100644
--- a/.github/workflows/e2e-v2.yml
+++ b/.github/workflows/e2e-v2.yml
@@ -47,7 +47,7 @@ jobs:
         platform: ["ios", "android"]
         include:
           - platform: ios
-            runs-on: macos-15
+            runs-on: ghcr.io/cirruslabs/macos-runner:tahoe
             name: iOS
             appPlain: performance-tests/test-app-plain.ipa
           - platform: android
@@ -61,7 +61,8 @@ jobs:
       - uses: ./.github/actions/disk-cleanup
         if: ${{ matrix.platform == 'android' }}
 
-      - run: sudo xcode-select -s /Applications/Xcode_16.4.app/Contents/Developer
+      - name: Select Xcode 26.1.1
+        run: sudo xcodes select 26.1.1
         if: ${{ matrix.platform == 'ios' }}
 
       - run: npm i -g corepack
@@ -89,7 +90,7 @@ jobs:
       - name: Build SDK
         run: yarn build
 
-      - uses: actions/cache@v4
+      - uses: cirruslabs/cache@v4
         id: app-plain-cache
         with:
           path: ${{ matrix.appPlain }}
@@ -187,8 +188,8 @@ jobs:
         engine: ['hermes', 'jsc']
         include:
           - platform: ios
-            xcode-version: '16.4'
-            runs-on: macos-15
+            xcode-version: '26.1.1'
+            runs-on: ghcr.io/cirruslabs/macos-runner:tahoe
           - platform: android
             runs-on: ubuntu-latest
         exclude:
@@ -240,7 +241,8 @@ jobs:
           echo "SENTRY_RELEASE=$SENTRY_RELEASE"
           echo "SENTRY_DIST=$SENTRY_DIST"
 
-      - run: sudo xcode-select -s /Applications/Xcode_${{ matrix.xcode-version }}.app/Contents/Developer
+      - name: Select Xcode 26.1.1
+        run: sudo xcodes select 26.1.1
         if: ${{ matrix.platform == 'ios' }}
 
       - run: npm i -g corepack
@@ -319,7 +321,7 @@ jobs:
         include:
           - platform: ios
             rn-version: '0.83.0'
-            runs-on: macos-15
+            runs-on: ghcr.io/cirruslabs/macos-runner:tahoe
           - platform: android
             runs-on: ubuntu-latest
 
diff --git a/.github/workflows/native-tests.yml b/.github/workflows/native-tests.yml
index a09f68649e..e27680939e 100644
--- a/.github/workflows/native-tests.yml
+++ b/.github/workflows/native-tests.yml
@@ -27,7 +27,7 @@ jobs:
 
   test-ios:
     name: ios
-    runs-on: macos-15
+    runs-on: macos-26
     needs: [diff_check]
     if: ${{ needs.diff_check.outputs.skip_ci != 'true' }}
     steps:
diff --git a/.github/workflows/sample-application-expo.yml b/.github/workflows/sample-application-expo.yml
index edb577d7de..2922b4b160 100644
--- a/.github/workflows/sample-application-expo.yml
+++ b/.github/workflows/sample-application-expo.yml
@@ -44,8 +44,8 @@ jobs:
         build-type: ['dev', 'production']
         include:
           - platform: ios
-            xcode-version: '16.4'
-            runs-on: macos-15
+            xcode-version: '26.1.1'
+            runs-on: macos-26
           - platform: android
             runs-on: ubuntu-latest
           - platform: web
diff --git a/.github/workflows/sample-application.yml b/.github/workflows/sample-application.yml
index 3ae494a58e..34da45d68a 100644
--- a/.github/workflows/sample-application.yml
+++ b/.github/workflows/sample-application.yml
@@ -52,10 +52,10 @@ jobs:
         build-type: ['dev', 'production']
         include:
           - platform: ios
-            xcode-version: '16.4'
-            runs-on: macos-15
+            xcode-version: '26.1.1'
+            runs-on: macos-26
           - platform: macos
-            runs-on: macos-15
+            runs-on: macos-26
           - platform: android
             runs-on: ubuntu-latest
         exclude:
@@ -232,7 +232,7 @@ jobs:
       matrix:
         include:
           - platform: ios
-            runs-on: macos-15
+            runs-on: macos-26
             rn-architecture: 'new'
             ios-use-frameworks: 'no-frameworks'
             build-type: 'production'
diff --git a/.github/workflows/testflight.yml b/.github/workflows/testflight.yml
index 6ac3b1cc0d..df1dac6606 100644
--- a/.github/workflows/testflight.yml
+++ b/.github/workflows/testflight.yml
@@ -14,12 +14,12 @@ jobs:
 
   upload_to_testflight:
     name: Build and Upload React Native Sample to Testflight
-    runs-on: macos-15
+    runs-on: macos-26
     needs: [diff_check]
     if: ${{ needs.diff_check.outputs.skip_ci != 'true' }}
     steps:
       - uses: actions/checkout@v6
-      - run: sudo xcode-select -s /Applications/Xcode_16.4.app/Contents/Developer
+      - run: sudo xcode-select -s /Applications/Xcode_26.1.1.app/Contents/Developer
       - uses: ruby/setup-ruby@v1
         with:
           working-directory: samples/react-native