diff --git a/config/dev.exs b/config/dev.exs
index 2a702505..95032365 100644
--- a/config/dev.exs
+++ b/config/dev.exs
@@ -28,7 +28,7 @@ config :music_library, MusicLibrary.TelemetryRepo,
 config :music_library, MusicLibraryWeb.Endpoint,
   # Binding to loopback ipv4 address prevents access from other machines.
   # Change to `ip: {0, 0, 0, 0}` to allow access from other machines.
-  http: [ip: {0, 0, 0, 0}, port: String.to_integer(System.get_env("PORT") || "4000")],
+  http: [ip: {0, 0, 0, 0}, port: String.to_integer(System.get_env("PORT") || "4003")],
   check_origin: false,
   code_reloader: true,
   debug_errors: true,