diff --git a/.github/workflows/chained_e2e.yml b/.github/workflows/chained_e2e.yml
index 94215e4795..e6385ad4bb 100644
--- a/.github/workflows/chained_e2e.yml
+++ b/.github/workflows/chained_e2e.yml
@@ -183,7 +183,7 @@ jobs:
     needs:
       - 'merge_queue_skipper'
       - 'parse_run_context'
-    runs-on: 'macos-latest'
+    runs-on: 'macos-latest-large'
     if: |
       github.repository == 'google-gemini/gemini-cli' && always() && (needs.merge_queue_skipper.result !='success' || needs.merge_queue_skipper.outputs.skip != 'true')
     steps:
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 82e9194a02..0bc2cf03ce 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -224,7 +224,7 @@ jobs:
 
   test_mac:
     name: 'Test (Mac) - ${{ matrix.node-version }}, ${{ matrix.shard }}'
-    runs-on: 'macos-latest'
+    runs-on: 'macos-latest-large'
     needs:
       - 'merge_queue_skipper'
     if: "github.repository == 'google-gemini/gemini-cli' && needs.merge_queue_skipper.outputs.skip == 'false'"
diff --git a/.github/workflows/deflake.yml b/.github/workflows/deflake.yml
index 98635dbda7..cd61346ffa 100644
--- a/.github/workflows/deflake.yml
+++ b/.github/workflows/deflake.yml
@@ -77,7 +77,7 @@ jobs:
 
   deflake_e2e_mac:
     name: 'E2E Test (macOS)'
-    runs-on: 'macos-latest'
+    runs-on: 'macos-latest-large'
     if: "github.repository == 'google-gemini/gemini-cli'"
     steps:
       - name: 'Checkout'