diff --git a/apps/web/package.json b/apps/web/package.json
index 6e35281..3879115 100644
--- a/apps/web/package.json
+++ b/apps/web/package.json
@@ -23,7 +23,7 @@
     "@types/react": "^18",
     "@types/react-dom": "^18",
     "@vitejs/plugin-react": "^4.3.2",
-    "@vitest/coverage-v8": "2.1.3",
+    "@vitest/coverage-istanbul": "^2.1.3",
     "eslint": "^8",
     "eslint-config-next": "14.2.6",
     "jsdom": "^25.0.1",
diff --git a/apps/web/vitest.config.ts b/apps/web/vitest.config.ts
index ef6ac31..ec75333 100644
--- a/apps/web/vitest.config.ts
+++ b/apps/web/vitest.config.ts
@@ -1,9 +1,18 @@
-import { defineConfig } from "vitest/config";
+import { defineConfig, configDefaults } from "vitest/config";
 import react from "@vitejs/plugin-react";
 
 export default defineConfig({
   plugins: [react()],
   test: {
     environment: "jsdom",
+    coverage: {
+      ...configDefaults.coverage,
+      provider: "istanbul",
+      exclude: [
+        ...configDefaults.coverage.exclude!,
+        "next.config.mjs",
+        "app/layout.tsx",
+      ],
+    },
   },
 });
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 23f717d..860b4fd 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -109,6 +109,9 @@ importers:
       '@vitejs/plugin-react':
         specifier: ^4.3.2
         version: 4.3.2(vite@5.4.9)
+      '@vitest/coverage-istanbul':
+        specifier: ^2.1.3
+        version: 2.1.3(vitest@2.1.3)
       '@vitest/coverage-v8':
         specifier: 2.1.3
         version: 2.1.3(vitest@2.1.3)
@@ -2152,6 +2155,26 @@ packages:
       - supports-color
     dev: true
 
+  /@vitest/coverage-istanbul@2.1.3(vitest@2.1.3):
+    resolution: {integrity: sha512-FByj6ni54EzA4SXl5X3ugSeeBSI6MSEQBbvPefF6x6GCajePLeZSNYt7u0NOKUQbWpQpAdHHstrqR9ALEpnAxA==}
+    peerDependencies:
+      vitest: 2.1.3
+    dependencies:
+      '@istanbuljs/schema': 0.1.3
+      debug: 4.3.7
+      istanbul-lib-coverage: 3.2.2
+      istanbul-lib-instrument: 6.0.3
+      istanbul-lib-report: 3.0.1
+      istanbul-lib-source-maps: 5.0.6
+      istanbul-reports: 3.1.7
+      magicast: 0.3.5
+      test-exclude: 7.0.1
+      tinyrainbow: 1.2.0
+      vitest: 2.1.3(@types/node@20.16.5)(jsdom@25.0.1)
+    transitivePeerDependencies:
+      - supports-color
+    dev: true
+
   /@vitest/coverage-v8@2.1.3(vitest@2.1.3):
     resolution: {integrity: sha512-2OJ3c7UPoFSmBZwqD2VEkUw6A/tzPF0LmW0ZZhhB8PFxuc+9IBG/FaSM+RLEenc7ljzFvGN+G0nGQoZnh7sy2A==}
     peerDependencies: