diff --git a/draftlogs/6866_change.md b/draftlogs/6866_change.md
new file mode 100644
index 00000000000..349f11a9e0f
--- /dev/null
+++ b/draftlogs/6866_change.md
@@ -0,0 +1 @@
+- Add 'decimal' and 'thousands' formats for Brazilian Portuguese locale file [[#6866](https://github.com/plotly/plotly.js/pull/6866)], with thanks to @pazuza  for the contribution!
\ No newline at end of file
diff --git a/lib/locales/pt-br.js b/lib/locales/pt-br.js
index d6349098e78..4cfaf06f7f5 100644
--- a/lib/locales/pt-br.js
+++ b/lib/locales/pt-br.js
@@ -78,6 +78,8 @@ module.exports = {
             'Jan', 'Fev', 'Mar', 'Abr', 'Mai', 'Jun',
             'Jul', 'Ago', 'Set', 'Out', 'Nov', 'Dez'
         ],
-        date: '%d/%m/%Y'
+        date: '%d/%m/%Y',
+        decimal: ',',
+        thousands: '.'
     }
 };