diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dca6c39..b695863 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-latest, macos-15, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4
diff --git a/playwright.config.ts b/playwright.config.ts
index 792c3e3..8486de1 100644
--- a/playwright.config.ts
+++ b/playwright.config.ts
@@ -26,7 +26,6 @@ export default defineConfig<TestOptions>({
   reporter: 'list',
   projects: [
     { name: 'chrome' },
-    { name: 'msedge', use: { mcpBrowser: 'msedge' } },
     { name: 'chromium', use: { mcpBrowser: 'chromium' } },
     ...process.env.MCP_IN_DOCKER ? [{
       name: 'chromium-docker',
@@ -38,5 +37,6 @@ export default defineConfig<TestOptions>({
     }] : [],
     { name: 'firefox', use: { mcpBrowser: 'firefox' } },
     { name: 'webkit', use: { mcpBrowser: 'webkit' } },
+    ... process.platform === 'win32' ? [{ name: 'msedge', use: { mcpBrowser: 'msedge' } }] : [],
   ],
 });