diff --git a/docs/components_page/components/progress/interval.R b/docs/components_page/components/progress/interval.R
index 43b777e4f..ff2b3354a 100644
--- a/docs/components_page/components/progress/interval.R
+++ b/docs/components_page/components/progress/interval.R
@@ -13,7 +13,7 @@ progress <- htmlDiv(
 app$callback(
   list(
     output("progress", "value"),
-    output("progress", "children")
+    output("progress", "label")
   ),
   list(input("progress-interval", "n_intervals")),
   function(n) {
diff --git a/docs/components_page/components/progress/interval.jl b/docs/components_page/components/progress/interval.jl
index 26d629005..40a2d8945 100644
--- a/docs/components_page/components/progress/interval.jl
+++ b/docs/components_page/components/progress/interval.jl
@@ -9,7 +9,7 @@ progress = html_div([
 callback!(
     app,
     Output("progress", "value"),
-    Output("progress", "children"),
+    Output("progress", "label"),
     Input("progress-interval", "n_intervals"),
 ) do n
     # check progress of some background process, in this example we'll just
diff --git a/docs/components_page/components/progress/interval.py b/docs/components_page/components/progress/interval.py
index f1d09cecb..15df02184 100644
--- a/docs/components_page/components/progress/interval.py
+++ b/docs/components_page/components/progress/interval.py
@@ -12,7 +12,7 @@
 
 
 @app.callback(
-    [Output("progress", "value"), Output("progress", "children")],
+    [Output("progress", "value"), Output("progress", "label")],
     [Input("progress-interval", "n_intervals")],
 )
 def update_progress(n):