diff --git a/packages/node/test/manual/apm-transaction/main.js b/packages/node/test/manual/apm-transaction/main.js
index 97118a27bfc0..1ec9723a2cbb 100644
--- a/packages/node/test/manual/apm-transaction/main.js
+++ b/packages/node/test/manual/apm-transaction/main.js
@@ -105,8 +105,8 @@ app.get('/trace', async (_req, res, next) => {
 app.use(Tracing.finish());
 app.use(Sentry.Handlers.errorHandler());
 
-const server = app.listen(3000, () => {
-  http.get('http://localhost:3000/trace', res => {
+const server = app.listen(1231, () => {
+  http.get('http://localhost:1231/trace', res => {
     server.close();
   });
 });
diff --git a/packages/node/test/manual/express-scope-separation/start.js b/packages/node/test/manual/express-scope-separation/start.js
index 0df06260958c..5d1dd4816e81 100644
--- a/packages/node/test/manual/express-scope-separation/start.js
+++ b/packages/node/test/manual/express-scope-separation/start.js
@@ -83,8 +83,8 @@ app.get('/baz', req => {
 
 app.use(Sentry.Handlers.errorHandler());
 
-app.listen(3000);
+app.listen(1121);
 
-http.get('http://localhost:3000/foo');
-http.get('http://localhost:3000/bar');
-http.get('http://localhost:3000/baz');
+http.get('http://localhost:1121/foo');
+http.get('http://localhost:1121/bar');
+http.get('http://localhost:1121/baz');
diff --git a/packages/node/test/manual/memory-leak/express-patient.js b/packages/node/test/manual/memory-leak/express-patient.js
index a467db6a0177..15cc38213489 100644
--- a/packages/node/test/manual/memory-leak/express-patient.js
+++ b/packages/node/test/manual/memory-leak/express-patient.js
@@ -146,7 +146,7 @@ app.use((err, req, res, next) => {
   return res.status(500).send('oh no there was an error: ' + err.message);
 });
 
-const server = app.listen(3000, () => {
-  process._rawDebug('patient is waiting to be poked on port 3000');
+const server = app.listen(5140, () => {
+  process._rawDebug('patient is waiting to be poked on port 5140');
   memwatch.gc();
 });