diff --git a/.github/workflows/buildIOS.yml b/.github/workflows/buildIOS.yml
index 16b945cc61ec..8049d9457457 100644
--- a/.github/workflows/buildIOS.yml
+++ b/.github/workflows/buildIOS.yml
@@ -51,7 +51,7 @@ on:
 jobs:
   build:
     name: Build iOS HybridApp
-    runs-on: macos-15-xlarge
+    runs-on: blacksmith-12vcpu-macos-latest
     env:
       DEVELOPER_DIR: /Applications/Xcode_26.2.app/Contents/Developer
       PULL_REQUEST_NUMBER: ${{ inputs.pull-request-number }}
diff --git a/.github/workflows/createNewVersion.yml b/.github/workflows/createNewVersion.yml
index 401a26be9883..db4768edc5d9 100644
--- a/.github/workflows/createNewVersion.yml
+++ b/.github/workflows/createNewVersion.yml
@@ -41,7 +41,7 @@ on:
 
 jobs:
   createNewVersion:
-    runs-on: macos-latest
+    runs-on: blacksmith-6vcpu-macos-latest
     outputs:
       NEW_VERSION: ${{ steps.bumpVersion.outputs.NEW_VERSION }}
     steps:
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index f165e79ad8e4..36e31a3d2ca9 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -315,7 +315,7 @@ jobs:
   iosUploadTestflight:
     name: Upload iOS to TestFlight
     needs: [prep, iosBuild]
-    runs-on: macos-15-xlarge
+    runs-on: blacksmith-12vcpu-macos-latest
     if: ${{ fromJSON(needs.prep.outputs.SHOULD_BUILD_NATIVE) }}
     env:
       DEVELOPER_DIR: /Applications/Xcode_26.2.app/Contents/Developer
@@ -395,7 +395,7 @@ jobs:
   iosSubmit:
     name: Submit iOS for production rollout
     needs: [prep, iosBuild, iosUploadTestflight]
-    runs-on: macos-15-xlarge
+    runs-on: blacksmith-12vcpu-macos-latest
     if: ${{ always() && !cancelled() && github.ref == 'refs/heads/production' && needs.iosBuild.result != 'failure' && needs.iosUploadTestflight.result != 'failure' }}
     env:
       DEVELOPER_DIR: /Applications/Xcode_26.2.app/Contents/Developer
diff --git a/.github/workflows/remote-build-ios.yml b/.github/workflows/remote-build-ios.yml
index 22726e6976ad..85610491eb78 100644
--- a/.github/workflows/remote-build-ios.yml
+++ b/.github/workflows/remote-build-ios.yml
@@ -18,7 +18,7 @@ concurrency:
 
 jobs:
   build:
-    runs-on: ${{ github.repository_owner == 'Expensify' && 'macos-15-xlarge' || 'macos-15' }}
+    runs-on: ${{ github.repository_owner == 'Expensify' && 'blacksmith-12vcpu-macos-latest' || 'macos-latest' }}
     env:
       DEVELOPER_DIR: /Applications/Xcode_26.2.app/Contents/Developer
     strategy:
diff --git a/.github/workflows/syncVersions.yml b/.github/workflows/syncVersions.yml
index 3b54b13f2e12..5dd210f290b3 100644
--- a/.github/workflows/syncVersions.yml
+++ b/.github/workflows/syncVersions.yml
@@ -10,7 +10,7 @@ on:
 
 jobs:
   syncVersions:
-    runs-on: macos-latest
+    runs-on: blacksmith-6vcpu-macos-latest
     steps:
       - name: Check out
         # v6
diff --git a/.github/workflows/verifyParserFiles.yml b/.github/workflows/verifyParserFiles.yml
index 91fc8c5952bd..56884ac89ee6 100644
--- a/.github/workflows/verifyParserFiles.yml
+++ b/.github/workflows/verifyParserFiles.yml
@@ -10,7 +10,7 @@ on:
 jobs:
   verify:
     if: github.actor != 'OSBotify' && github.actor != 'imgbot[bot]'
-    runs-on: macos-latest
+    runs-on: blacksmith-6vcpu-macos-latest
     steps:
       - name: Checkout
         # v6
diff --git a/.github/workflows/verifyPodfile.yml b/.github/workflows/verifyPodfile.yml
index 2ff18af1caa6..b95b435f694d 100644
--- a/.github/workflows/verifyPodfile.yml
+++ b/.github/workflows/verifyPodfile.yml
@@ -12,7 +12,7 @@ on:
 jobs:
   verify:
     if: github.actor != 'OSBotify' && github.actor != 'imgbot[bot]'
-    runs-on: macos-latest
+    runs-on: blacksmith-6vcpu-macos-latest
     steps:
       - name: Checkout
         # v6