diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index ccb11123a..171ce8a30 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -15,7 +15,7 @@ env:
 jobs:
   build:
     name: Build
-    runs-on: macos-14
+    runs-on: macos-15
     
     # Concurrency group not needed as this workflow only runs on develop which we always want to test.
 
diff --git a/.github/workflows/ci-tests.yml b/.github/workflows/ci-tests.yml
index aca66a553..92ccfb95c 100644
--- a/.github/workflows/ci-tests.yml
+++ b/.github/workflows/ci-tests.yml
@@ -16,7 +16,7 @@ env:
 jobs:
   tests:
     name: Tests
-    runs-on: macos-14
+    runs-on: macos-15
     
     concurrency:
       # When running on develop, use the sha to allow all runs of this workflow to run concurrently.
diff --git a/.github/workflows/ci-ui-tests.yml b/.github/workflows/ci-ui-tests.yml
index f325b210f..1853b0f74 100644
--- a/.github/workflows/ci-ui-tests.yml
+++ b/.github/workflows/ci-ui-tests.yml
@@ -12,7 +12,7 @@ env:
 jobs:
   tests:
     name: UI Tests
-    runs-on: macos-14
+    runs-on: macos-15
     
     concurrency:
       # Only allow a single run of this workflow on each branch, automatically cancelling older runs.
diff --git a/.github/workflows/release-alpha.yml b/.github/workflows/release-alpha.yml
index aa90ef5ba..12ab94898 100644
--- a/.github/workflows/release-alpha.yml
+++ b/.github/workflows/release-alpha.yml
@@ -17,7 +17,7 @@ jobs:
     if: contains(github.event.pull_request.labels.*.name, 'Trigger-PR-Build')
 
     name: Release
-    runs-on: macos-14
+    runs-on: macos-15
     
     concurrency:
       # Only allow a single run of this workflow on each branch, automatically cancelling older runs.