diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6e5760e..03ebb26 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,6 +5,10 @@ on:
   push:
     branches: [main]
 
+concurrency:
+  group: ci-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   lint:
     runs-on: ubuntu-latest
diff --git a/vite.config.js b/vite.config.js
index 83b57d5..78ffcf1 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -97,6 +97,7 @@ export default defineConfig(({ mode }) => {
       globals: true,
       environment: 'jsdom',
       setupFiles: './src/test/setup.js',
+      testTimeout: 15000,
       coverage: {
         provider: 'v8',
         reporter: ['text', 'json', 'html'],