diff --git a/.github/workflows/adhoc.yml b/.github/workflows/adhoc.yml
index ded6413c6c..84be30b111 100644
--- a/.github/workflows/adhoc.yml
+++ b/.github/workflows/adhoc.yml
@@ -21,7 +21,7 @@ on:
 
 jobs:
   make-adhoc:
-    runs-on: macos-15
+    runs-on: macos-15-xlarge
     name: Make ad-hoc build
 
     steps:
diff --git a/.github/workflows/alpha.yml b/.github/workflows/alpha.yml
index ff6cda27e6..619dc58114 100644
--- a/.github/workflows/alpha.yml
+++ b/.github/workflows/alpha.yml
@@ -31,7 +31,7 @@ on:
 
 jobs:
   make-alpha:
-    runs-on: macos-14-xlarge
+    runs-on: macos-15-xlarge
     name: Make TestFlight Alpha Build
     timeout-minutes: 30
 
diff --git a/.github/workflows/end-to-end.yml b/.github/workflows/end-to-end.yml
index 05b27809a3..61ae9d72c3 100644
--- a/.github/workflows/end-to-end.yml
+++ b/.github/workflows/end-to-end.yml
@@ -8,7 +8,7 @@ on:
 jobs:
   build-end-to-end-tests:
     name: Build End to End Tests
-    runs-on: macos-14-xlarge
+    runs-on: macos-15-xlarge
     timeout-minutes: 30
     
     steps:
@@ -68,7 +68,7 @@ jobs:
   end-to-end-tests:
     name: End to end Tests
     needs: build-end-to-end-tests
-    runs-on: macos-14
+    runs-on: macos-15
     timeout-minutes: 90
     strategy:
       matrix:
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 2bff554068..c7f6af3185 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -7,7 +7,7 @@ on:
 jobs:
   atb-ui-tests:
     name: ATB UI Tests
-    runs-on: macos-14-xlarge
+    runs-on: macos-15-xlarge
     timeout-minutes: 30
 
     steps:
@@ -68,7 +68,7 @@ jobs:
 
   fingerprinting-ui-tests:
     name: Fingerprinting UI Tests
-    runs-on: macos-14-xlarge
+    runs-on: macos-15-xlarge
     timeout-minutes: 30
 
     steps:
diff --git a/.github/workflows/promote_testflight.yml b/.github/workflows/promote_testflight.yml
index 641c945ad7..a9d94321c9 100644
--- a/.github/workflows/promote_testflight.yml
+++ b/.github/workflows/promote_testflight.yml
@@ -5,7 +5,7 @@ on:
 
 jobs:
   promote-testflight-to-appstore:
-    runs-on: macos-14
+    runs-on: macos-15
 
     steps:
     - name: Check out the code
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 50a4fefb6f..2dffb0be3b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -27,7 +27,7 @@ on:
 jobs:
   make-release:
     if: github.event.action == 0 || (github.event.pull_request.merged == true && contains(github.event.pull_request.labels.*.name, 'Merge triggers release')) # empty string returns 0; for case when workflow is triggered manually
-    runs-on: macos-14-xlarge
+    runs-on: macos-15-xlarge
     name: Make App Store Connect Release
 
     steps:
diff --git a/.github/workflows/sync-end-to-end.yml b/.github/workflows/sync-end-to-end.yml
index b6ea062cab..adee7a00c1 100644
--- a/.github/workflows/sync-end-to-end.yml
+++ b/.github/workflows/sync-end-to-end.yml
@@ -8,7 +8,7 @@ on:
 jobs:
   build-for-sync-end-to-end-tests:
     name: Build for Sync End To End Tests
-    runs-on: macos-14-xlarge
+    runs-on: macos-15-xlarge
     timeout-minutes: 30
 
     steps:
@@ -68,7 +68,7 @@ jobs:
   sync-end-to-end-tests:
     name: Sync End To End Tests
     needs: build-for-sync-end-to-end-tests
-    runs-on: macos-14
+    runs-on: macos-15
     timeout-minutes: 90
     strategy:
       matrix: