diff --git a/cookiecutter.json b/cookiecutter.json
index 323424a..23d00fd 100644
--- a/cookiecutter.json
+++ b/cookiecutter.json
@@ -8,6 +8,8 @@
     "use_bsd3_licence": false,
     "add_precommit_workflows": true,
     "automerge_bot_prs": false,
+    "use_windows_ci_runner": false,
+    "use_macos_ci_runner": false,
     "__prompts__": {
         "project_name": "Enter a human-readable name for the project",
         "project_slug": "Enter a name for the Python package",
@@ -17,6 +19,8 @@
         "packaging": "Select the Python packaging tool you wish to use",
         "use_bsd3_licence": "Whether to use Imperial's default open-source licence (BSD 3-clause)",
         "add_precommit_workflows": "Add Github Actions to run pre-commit hooks (only needed for private repositories)",
+        "use_windows_ci_runner": "Add a GitHub Actions runner for Windows (needed if your software targets Windows)",
+        "use_macos_ci_runner": "Add a GitHub Actions runner for macOS (needed if your software targets macOS - ARM)",
         "automerge_bot_prs": "Whether to automatically merge PRs from bots including dependabot"
     }
 }
diff --git a/{{ cookiecutter.project_slug }}/.github/workflows/ci.yml b/{{ cookiecutter.project_slug }}/.github/workflows/ci.yml
index 41a45fc..87f5468 100644
--- a/{{ cookiecutter.project_slug }}/.github/workflows/ci.yml	
+++ b/{{ cookiecutter.project_slug }}/.github/workflows/ci.yml	
@@ -12,7 +12,13 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [windows-latest, ubuntu-latest, macos-latest]
+        os:
+          - ubuntu-latest
+{%- if cookiecutter.use_windows_ci_runner %}
+          - windows-latest
+{%- endif %}
+{%- if cookiecutter.use_macos_ci_runner %}
+          - macos-latest{% endif %}
         python-version: ["3.12"]
 
     steps: