diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 299ed59cd220..5fc8f9d55e5c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1018,12 +1018,12 @@ jobs:
 
       - name: Build E2E app
         working-directory: dev-packages/e2e-tests/test-applications/${{ matrix.test-application }}
-        timeout-minutes: 5
+        timeout-minutes: 7
         run: pnpm ${{ matrix.build-command || 'test:build' }}
 
       - name: Run E2E test
         working-directory: dev-packages/e2e-tests/test-applications/${{ matrix.test-application }}
-        timeout-minutes: 5
+        timeout-minutes: 10
         run: pnpm test:assert
 
       - name: Upload Playwright Traces
@@ -1039,7 +1039,7 @@ jobs:
         uses: actions/upload-artifact@v4
         if: always()
         with:
-          name: playwright-event-dumps-job_e2e_playwright_tests-${{ matrix.test-application }}
+          name: e2e-test-event-dumps
           path: dev-packages/e2e-tests/test-applications/${{ matrix.test-application }}/event-dumps
           overwrite: true
           retention-days: 7
@@ -1176,12 +1176,12 @@ jobs:
 
       - name: Build E2E app
         working-directory: dev-packages/e2e-tests/test-applications/${{ matrix.test-application }}
-        timeout-minutes: 5
+        timeout-minutes: 7
         run: pnpm ${{ matrix.build-command || 'test:build' }}
 
       - name: Run E2E test
         working-directory: dev-packages/e2e-tests/test-applications/${{ matrix.test-application }}
-        timeout-minutes: 5
+        timeout-minutes: 10
         run: pnpm ${{ matrix.assert-command || 'test:assert' }}
 
       - name: Deploy Astro to Cloudflare
@@ -1282,12 +1282,12 @@ jobs:
 
       - name: Build E2E app
         working-directory: dev-packages/e2e-tests/test-applications/${{ matrix.test-application }}
-        timeout-minutes: 5
+        timeout-minutes: 7
         run: yarn ${{ matrix.build-command || 'test:build' }}
 
       - name: Run E2E test
         working-directory: dev-packages/e2e-tests/test-applications/${{ matrix.test-application }}
-        timeout-minutes: 5
+        timeout-minutes: 10
         run: yarn test:assert
 
   job_required_jobs_passed:
diff --git a/.github/workflows/canary.yml b/.github/workflows/canary.yml
index 1f584d2a921c..4b8fff855049 100644
--- a/.github/workflows/canary.yml
+++ b/.github/workflows/canary.yml
@@ -140,7 +140,7 @@ jobs:
 
       - name: Build E2E app
         working-directory: dev-packages/e2e-tests/test-applications/${{ matrix.test-application }}
-        timeout-minutes: 5
+        timeout-minutes: 7
         run: yarn ${{ matrix.build-command }}
 
       - name: Run E2E test
diff --git a/dev-packages/e2e-tests/test-applications/nextjs-13/.gitignore b/dev-packages/e2e-tests/test-applications/nextjs-13/.gitignore
index b7a8bf3b3701..68d4c4a9cbf2 100644
--- a/dev-packages/e2e-tests/test-applications/nextjs-13/.gitignore
+++ b/dev-packages/e2e-tests/test-applications/nextjs-13/.gitignore
@@ -38,5 +38,6 @@ next-env.d.ts
 !*.d.ts
 
 test-results
+event-dumps
 
 .vscode
diff --git a/dev-packages/e2e-tests/test-applications/nextjs-13/start-event-proxy.mjs b/dev-packages/e2e-tests/test-applications/nextjs-13/start-event-proxy.mjs
index 9983d484bcbc..b45472a5484f 100644
--- a/dev-packages/e2e-tests/test-applications/nextjs-13/start-event-proxy.mjs
+++ b/dev-packages/e2e-tests/test-applications/nextjs-13/start-event-proxy.mjs
@@ -1,6 +1,14 @@
+import * as fs from 'fs';
+import * as path from 'path';
 import { startEventProxyServer } from '@sentry-internal/test-utils';
 
+const packageJson = JSON.parse(fs.readFileSync(path.join(process.cwd(), 'package.json')));
+
 startEventProxyServer({
   port: 3031,
   proxyServerName: 'nextjs-13',
+  envelopeDumpPath: path.join(
+    process.cwd(),
+    `event-dumps/next-13-v${packageJson.dependencies.next}-${process.env.TEST_ENV}.dump`,
+  ),
 });
diff --git a/dev-packages/e2e-tests/test-applications/nextjs-14/.gitignore b/dev-packages/e2e-tests/test-applications/nextjs-14/.gitignore
index e799cc33c4e7..ebdbfc025b6a 100644
--- a/dev-packages/e2e-tests/test-applications/nextjs-14/.gitignore
+++ b/dev-packages/e2e-tests/test-applications/nextjs-14/.gitignore
@@ -43,3 +43,4 @@ next-env.d.ts
 .vscode
 
 test-results
+event-dumps
diff --git a/dev-packages/e2e-tests/test-applications/nextjs-14/start-event-proxy.mjs b/dev-packages/e2e-tests/test-applications/nextjs-14/start-event-proxy.mjs
index 39babfb19b2a..7e0ebce43981 100644
--- a/dev-packages/e2e-tests/test-applications/nextjs-14/start-event-proxy.mjs
+++ b/dev-packages/e2e-tests/test-applications/nextjs-14/start-event-proxy.mjs
@@ -1,6 +1,14 @@
+import * as fs from 'fs';
+import * as path from 'path';
 import { startEventProxyServer } from '@sentry-internal/test-utils';
 
+const packageJson = JSON.parse(fs.readFileSync(path.join(process.cwd(), 'package.json')));
+
 startEventProxyServer({
   port: 3031,
   proxyServerName: 'nextjs-14',
+  envelopeDumpPath: path.join(
+    process.cwd(),
+    `event-dumps/next-14-v${packageJson.dependencies.next}-${process.env.TEST_ENV}.dump`,
+  ),
 });
diff --git a/dev-packages/e2e-tests/test-applications/nextjs-15/start-event-proxy.mjs b/dev-packages/e2e-tests/test-applications/nextjs-15/start-event-proxy.mjs
index 959b40d253e8..d78a76402bbb 100644
--- a/dev-packages/e2e-tests/test-applications/nextjs-15/start-event-proxy.mjs
+++ b/dev-packages/e2e-tests/test-applications/nextjs-15/start-event-proxy.mjs
@@ -9,6 +9,6 @@ startEventProxyServer({
   proxyServerName: 'nextjs-15',
   envelopeDumpPath: path.join(
     process.cwd(),
-    `event-dumps/next-${packageJson.dependencies.next}-${process.env.TEST_ENV}.dump`,
+    `event-dumps/next-15-v${packageJson.dependencies.next}-${process.env.TEST_ENV}.dump`,
   ),
 });
diff --git a/dev-packages/e2e-tests/test-applications/nextjs-app-dir/.gitignore b/dev-packages/e2e-tests/test-applications/nextjs-app-dir/.gitignore
index e799cc33c4e7..ebdbfc025b6a 100644
--- a/dev-packages/e2e-tests/test-applications/nextjs-app-dir/.gitignore
+++ b/dev-packages/e2e-tests/test-applications/nextjs-app-dir/.gitignore
@@ -43,3 +43,4 @@ next-env.d.ts
 .vscode
 
 test-results
+event-dumps
diff --git a/dev-packages/e2e-tests/test-applications/nextjs-app-dir/start-event-proxy.mjs b/dev-packages/e2e-tests/test-applications/nextjs-app-dir/start-event-proxy.mjs
index 7e8016bf98a5..c243a72b8f07 100644
--- a/dev-packages/e2e-tests/test-applications/nextjs-app-dir/start-event-proxy.mjs
+++ b/dev-packages/e2e-tests/test-applications/nextjs-app-dir/start-event-proxy.mjs
@@ -1,6 +1,14 @@
+import * as fs from 'fs';
+import * as path from 'path';
 import { startEventProxyServer } from '@sentry-internal/test-utils';
 
+const packageJson = JSON.parse(fs.readFileSync(path.join(process.cwd(), 'package.json')));
+
 startEventProxyServer({
   port: 3031,
   proxyServerName: 'nextjs-app-dir',
+  envelopeDumpPath: path.join(
+    process.cwd(),
+    `event-dumps/next-app-dir-v${packageJson.dependencies.next}-${process.env.TEST_ENV}.dump`,
+  ),
 });
diff --git a/dev-packages/test-utils/src/event-proxy-server.ts b/dev-packages/test-utils/src/event-proxy-server.ts
index 448dd6e34ef0..6508dd9e5a0c 100644
--- a/dev-packages/test-utils/src/event-proxy-server.ts
+++ b/dev-packages/test-utils/src/event-proxy-server.ts
@@ -171,6 +171,11 @@ export async function startProxyServer(
 export async function startEventProxyServer(options: EventProxyServerOptions): Promise<void> {
   if (options.envelopeDumpPath) {
     await fs.promises.mkdir(path.dirname(path.resolve(options.envelopeDumpPath)), { recursive: true });
+    try {
+      await fs.promises.unlink(path.resolve(options.envelopeDumpPath));
+    } catch {
+      // noop
+    }
   }
 
   await startProxyServer(options, async (eventCallbackListeners, proxyRequest, proxyRequestBody, eventBuffer) => {