diff --git a/dash/dash.py b/dash/dash.py
index 4e38059aa1..707b803775 100644
--- a/dash/dash.py
+++ b/dash/dash.py
@@ -2256,4 +2256,9 @@ def run_server(self, *args, **kwargs):
 
         See `app.run` for usage information.
         """
+        warnings.warn(
+            DeprecationWarning(
+                "Dash.run_server is deprecated and will be removed in Dash 3.0"
+            )
+        )
         self.run(*args, **kwargs)