diff --git a/news/2 Fixes/2146.md b/news/2 Fixes/2146.md
new file mode 100644
index 000000000000..93e660fa18d3
--- /dev/null
+++ b/news/2 Fixes/2146.md	
@@ -0,0 +1 @@
+Change the default port used in remote debugging using `Experimental` debugger to `5678`.
diff --git a/package.json b/package.json
index 2795d022a5c4..167c1f3b3a93 100644
--- a/package.json
+++ b/package.json
@@ -901,7 +901,7 @@
                             "name": "Attach (Remote Debug)",
                             "type": "pythonExperimental",
                             "request": "attach",
-                            "port": 3000,
+                            "port": 5678,
                             "host": "localhost"
                         }
                     }
@@ -1101,7 +1101,7 @@
                         "name": "Python Experimental: Attach",
                         "type": "pythonExperimental",
                         "request": "attach",
-                        "port": 3000,
+                        "port": 5678,
                         "host": "localhost"
                     },
                     {