diff --git a/draftlogs/6077_change.md b/draftlogs/6077_change.md
new file mode 100644
index 00000000000..c5198b77c9e
--- /dev/null
+++ b/draftlogs/6077_change.md
@@ -0,0 +1 @@
+ - Display the version of plotly.js when hovering over the modebar [[#6077](https://github.com/plotly/plotly.js/pull/6077)]
diff --git a/lib/locales/cs.js b/lib/locales/cs.js
index 990ab912524..93e6467020f 100644
--- a/lib/locales/cs.js
+++ b/lib/locales/cs.js
@@ -24,7 +24,7 @@ module.exports = {
         'Lasso Select': 'Vyběr lasem',                                                                     // components/modebar/buttons.js:112
         'Orbital rotation': 'Rotace (orbitální)',                                                              // components/modebar/buttons.js:279
         'Pan': 'Posunovat',                                                                               // components/modebar/buttons.js:94
-        'Produced with Plotly': 'Vytvořeno pomocí Plotly',                                                      // components/modebar/modebar.js:256
+        'Produced with Plotly.js': 'Vytvořeno pomocí Plotly.js',                                                // components/modebar/modebar.js:256
         'Reset': 'Obnovit nastavení',                                                                            // components/modebar/buttons.js:432
         'Reset axes': 'Obnovit nastavení os',                                                                // components/modebar/buttons.js:148
         'Reset camera to default': 'Obnovit nastavení kamery na výchozí stav',                                      // components/modebar/buttons.js:314
diff --git a/lib/locales/cy.js b/lib/locales/cy.js
index 4c791456754..fa703ebcb3b 100644
--- a/lib/locales/cy.js
+++ b/lib/locales/cy.js
@@ -24,7 +24,7 @@ module.exports = {
         'Lasso Select': 'Dewiswch â lasŵ', // components / modebar / buttons.js: 123
         'Orbital rotation': 'Cylchdroi orbital', // components / modebar / buttons.js: 287
         'Pan': 'Pan', // components / modebar / buttons.js: 105
-        'Produced with Plotly': 'Cynhyrchwyd gyda Plotly', // components / modebar / modebar.js: 272
+        'Produced with Plotly.js': 'Cynhyrchwyd gyda Plotly.js', // components / modebar / modebar.js: 272
         'Reset': 'Ailosod', // components / modebar / buttons.js: 443
         'Reset axes': 'Ailosod echelinau', // components / modebar / buttons.js: 159
         'Reset camera to default': 'Ailosod camera i\'r rhagosodiad', // components / modebar / buttons.js: 325
diff --git a/lib/locales/de.js b/lib/locales/de.js
index f5763b7d17d..471f3f4042a 100644
--- a/lib/locales/de.js
+++ b/lib/locales/de.js
@@ -23,7 +23,7 @@ module.exports = {
         'Lasso Select': 'Lassoauswahl',                                                                     // components/modebar/buttons.js:112
         'Orbital rotation': 'Orbitalrotation',                                                              // components/modebar/buttons.js:279
         'Pan': 'Verschieben',                                                                               // components/modebar/buttons.js:94
-        'Produced with Plotly': 'Erstellt mit Plotly',                                                      // components/modebar/modebar.js:256
+        'Produced with Plotly.js': 'Erstellt mit Plotly.js',                                                // components/modebar/modebar.js:256
         'Reset': 'Zurücksetzen',                                                                            // components/modebar/buttons.js:432
         'Reset axes': 'Achsen zurücksetzen',                                                                // components/modebar/buttons.js:148
         'Reset camera to default': 'Kamera auf Standard zurücksetzen',                                      // components/modebar/buttons.js:314
diff --git a/lib/locales/es.js b/lib/locales/es.js
index 0d8104a6335..ba523466fdd 100644
--- a/lib/locales/es.js
+++ b/lib/locales/es.js
@@ -24,7 +24,7 @@ module.exports = {
         'Lasso Select': 'Seleccionar con lazo',                       // components/modebar/buttons.js:112
         'Orbital rotation': 'Rotación esférica',                      // components/modebar/buttons.js:279
         'Pan': 'Modo Panorámica',                                     // components/modebar/buttons.js:94
-        'Produced with Plotly': 'Hecho con Plotly',                   // components/modebar/modebar.js:256
+        'Produced with Plotly.js': 'Hecho con Plotly.js',             // components/modebar/modebar.js:256
         'Reset': 'Reiniciar',                                         // components/modebar/buttons.js:431
         'Reset axes': 'Reiniciar ejes',                               // components/modebar/buttons.js:148
         'Reset camera to default': 'Restaurar cámara predeterminada', // components/modebar/buttons.js:313
diff --git a/lib/locales/fi.js b/lib/locales/fi.js
index 0cbd9ba807c..2317d9b4c3d 100644
--- a/lib/locales/fi.js
+++ b/lib/locales/fi.js
@@ -24,7 +24,7 @@ module.exports = {
         'Lasso Select': 'Lassovalinta',
         'Orbital rotation': 'Orbitaalikierto',
         'Pan': 'Panorointi',
-        'Produced with Plotly': 'Tuotettu Plotlyllä',
+        'Produced with Plotly.js': 'Tuotettu Plotly.jsllä',
         'Reset': 'Palauta oletusasetukset',
         'Reset axes': 'Palauta akselien oletusasetukset',
         'Reset camera to default': 'Palauta kameran oletusasetukset',
diff --git a/lib/locales/fr.js b/lib/locales/fr.js
index 818867ad4cc..aa5945d5a1c 100644
--- a/lib/locales/fr.js
+++ b/lib/locales/fr.js
@@ -24,7 +24,7 @@ module.exports = {
         'Lasso Select': 'Sélection lasso',
         'Orbital rotation': 'Rotation orbitale',
         'Pan': 'Translation',
-        'Produced with Plotly': 'Généré avec Plotly',
+        'Produced with Plotly.js': 'Généré avec Plotly.js',
         'Reset': 'Réinitialiser',
         'Reset axes': 'Réinitialiser les axes',
         'Reset camera to default': 'Régler la caméra à sa valeur défaut',
diff --git a/lib/locales/it.js b/lib/locales/it.js
index e4e44092d6b..73171b63647 100644
--- a/lib/locales/it.js
+++ b/lib/locales/it.js
@@ -24,7 +24,7 @@ module.exports = {
         'Lasso Select': 'Selezione lazo',                                                                     // components/modebar/buttons.js:112
         'Orbital rotation': 'Rotazione orbitale',                                                              // components/modebar/buttons.js:279
         'Pan': 'Sposta',                                                                               // components/modebar/buttons.js:94
-        'Produced with Plotly': 'Creato con Plotly',                                                      // components/modebar/modebar.js:256
+        'Produced with Plotly.js': 'Creato con Plotly.js',                                                      // components/modebar/modebar.js:256
         'Reset': 'Reset',                                                                            // components/modebar/buttons.js:432
         'Reset axes': 'Resetta gli assi',                                                                // components/modebar/buttons.js:148
         'Reset camera to default': 'Reimposta la camera ai valori predefiniti',                                      // components/modebar/buttons.js:314
diff --git a/lib/locales/ja.js b/lib/locales/ja.js
index 0a682671ded..f8a20b547e9 100644
--- a/lib/locales/ja.js
+++ b/lib/locales/ja.js
@@ -23,7 +23,7 @@ module.exports = {
         'Lasso Select': '投げ縄選択',                                                                      // components/modebar/buttons.js:112
         'Orbital rotation': '軌道回転',                                                                    // components/modebar/buttons.js:279
         'Pan': '拡大',                                                                                     // components/modebar/buttons.js:94
-        'Produced with Plotly': 'Plotlyにより作成',                                                        // components/modebar/modebar.js:256
+        'Produced with Plotly.js': 'Plotly.jsにより作成',                                                  // components/modebar/modebar.js:256
         'Reset': 'リセット',                                                                                // components/modebar/buttons.js:432
         'Reset axes': '軸をリセット',                                                                       // components/modebar/buttons.js:148
         'Reset camera to default': 'カメラをデフォルトに戻す',                                              // components/modebar/buttons.js:314
diff --git a/lib/locales/ko.js b/lib/locales/ko.js
index cee633b617d..999ed3ab0fd 100644
--- a/lib/locales/ko.js
+++ b/lib/locales/ko.js
@@ -24,7 +24,7 @@ module.exports = {
         'Lasso Select': '올가미 선택',
         'Orbital rotation': '궤도 수정',
         'Pan': '이동',
-        'Produced with Plotly': 'Plotly 제공',
+        'Produced with Plotly.js': 'Plotly.js 제공',
         'Reset': '초기화',
         'Reset axes': '축 초기화',
         'Reset camera to default': 'camera를 기본값으로 초기화',
diff --git a/lib/locales/pt-br.js b/lib/locales/pt-br.js
index 5829130a190..d6349098e78 100644
--- a/lib/locales/pt-br.js
+++ b/lib/locales/pt-br.js
@@ -24,7 +24,7 @@ module.exports = {
         'Lasso Select': 'Seleção de laço',
         'Orbital rotation': 'Rotação orbital',
         'Pan': 'Mover',
-        'Produced with Plotly': 'Criado com o Plotly',
+        'Produced with Plotly.js': 'Criado com o Plotly.js',
         'Reset': 'Restaurar',
         'Reset axes': 'Restaurar eixos',
         'Reset camera to default': 'Restaurar câmera para padrão',
diff --git a/lib/locales/pt-pt.js b/lib/locales/pt-pt.js
index 205109db849..a65928f3fa7 100644
--- a/lib/locales/pt-pt.js
+++ b/lib/locales/pt-pt.js
@@ -24,7 +24,7 @@ module.exports = {
         'Lasso Select': 'Seleção de laço',
         'Orbital rotation': 'Rotação orbital',
         'Pan': 'Mover',
-        'Produced with Plotly': 'Criado com Plotly',
+        'Produced with Plotly.js': 'Criado com Plotly.js',
         'Reset': 'Restaurar',
         'Reset axes': 'Restaurar eixos',
         'Reset camera to default': 'Restaurar câmera para padrão',
diff --git a/lib/locales/ru.js b/lib/locales/ru.js
index 3d9a9b50a40..c7cd7fab6b8 100644
--- a/lib/locales/ru.js
+++ b/lib/locales/ru.js
@@ -24,7 +24,7 @@ module.exports = {
         'Lasso Select': 'Лассо',
         'Orbital rotation': 'Орбитальное движение',
         'Pan': 'Сдвиг',
-        'Produced with Plotly': 'Создано с помощью Plotly',
+        'Produced with Plotly.js': 'Создано с помощью Plotly.js',
         'Reset': 'Сбросить к значениям по умолчанию',
         'Reset axes': 'Сбросить отображение осей к значениям по умолчанию',
         'Reset camera to default': 'Сбросить параметры камеры к значениям по умолчанию',
diff --git a/lib/locales/sv.js b/lib/locales/sv.js
index 571b8e8b0bd..14c545522a4 100644
--- a/lib/locales/sv.js
+++ b/lib/locales/sv.js
@@ -24,7 +24,7 @@ module.exports = {
         'Lasso Select': 'Välj lasso',                                                    // components/modebar/buttons.js:121
         'Orbital rotation': 'Orbital rotation',                                          // components/modebar/buttons.js:281
         'Pan': 'Panorera',                                                               // components/modebar/buttons.js:103
-        'Produced with Plotly': 'Skapad med Plotly',                                     // components/modebar/modebar.js:304
+        'Produced with Plotly.js': 'Skapad med Plotly.js',                               // components/modebar/modebar.js:304
         'Reset': 'Återställ',                                                            // components/modebar/buttons.js:433
         'Reset axes': 'Återställ axlar',                                                 // components/modebar/buttons.js:157
         'Reset camera to default': 'Återställ kamera till standard',                     // components/modebar/buttons.js:319
diff --git a/lib/locales/sw.js b/lib/locales/sw.js
index 9478bf5ad93..2ce9e2a7603 100644
--- a/lib/locales/sw.js
+++ b/lib/locales/sw.js
@@ -24,7 +24,7 @@ module.exports = {
         'Lasso Select': 'Kuteua lasso',
         'Orbital rotation': 'Mzunguko wa mazao',
         'Pan': 'Tandaza',
-        'Produced with Plotly': 'Ilitengenezwa na Plotly',
+        'Produced with Plotly.js': 'Ilitengenezwa na Plotly.js',
         'Reset': 'Weka upya',
         'Reset axes': 'Weka upya axes',
         'Reset camera to default': 'Rudisha kamera kwenye uhifadhi wa default',
diff --git a/lib/locales/uk.js b/lib/locales/uk.js
index 6d5f6eb06c7..aa98ada6fc9 100644
--- a/lib/locales/uk.js
+++ b/lib/locales/uk.js
@@ -24,7 +24,7 @@ module.exports = {
         'Lasso Select': 'Ласо',
         'Orbital rotation': 'Рух по орбіті',
         'Pan': 'Зсув',
-        'Produced with Plotly': 'Створено за допомогою Plotly',
+        'Produced with Plotly.js': 'Створено за допомогою Plotly.js',
         'Reset': 'Встановити значення за замовчуванням',
         'Reset axes': 'Встановити осям значення за замовчуванням',
         'Reset camera to default': 'Встановити камері значення за замовчуванням',
diff --git a/lib/locales/zh-cn.js b/lib/locales/zh-cn.js
index 09b5adc9b44..82b9bbdf9a4 100644
--- a/lib/locales/zh-cn.js
+++ b/lib/locales/zh-cn.js
@@ -23,7 +23,7 @@ module.exports = {
         'Lasso Select': '套索选择',                                                            // components/modebar/buttons.js:112
         'Orbital rotation': '轨道旋转',                                                        // components/modebar/buttons.js:279
         'Pan': '平移',
-        'Produced with Plotly': '由Plotly生成',                                              // components/modebar/modebar.js:256
+        'Produced with Plotly.js': '由Plotly.js生成',                                        // components/modebar/modebar.js:256
         'Reset': '重置',                                                                       // components/modebar/buttons.js:432
         'Reset axes': '重置轴',                                                                // components/modebar/buttons.js:148
         'Reset camera to default': '重置镜头视角为默认状态',
diff --git a/src/components/modebar/modebar.js b/src/components/modebar/modebar.js
index 143c3406668..35eec9fc6a6 100644
--- a/src/components/modebar/modebar.js
+++ b/src/components/modebar/modebar.js
@@ -5,6 +5,8 @@ var isNumeric = require('fast-isnumeric');
 
 var Lib = require('../../lib');
 var Icons = require('../../fonts/ploticon');
+var version = require('../../version').version;
+
 var Parser = new DOMParser();
 
 /**
@@ -283,6 +285,10 @@ proto.hasButtons = function(buttons) {
     return true;
 };
 
+function jsVersion(str) {
+    return str + ' (v' + version + ')';
+}
+
 /**
  * @return {HTMLDivElement} The logo image wrapped in a group
  */
@@ -292,7 +298,7 @@ proto.getLogo = function() {
 
     a.href = 'https://plotly.com/';
     a.target = '_blank';
-    a.setAttribute('data-title', Lib._(this.graphInfo, 'Produced with Plotly'));
+    a.setAttribute('data-title', jsVersion(Lib._(this.graphInfo, 'Produced with Plotly.js')));
     a.className = 'modebar-btn plotlyjsicon modebar-btn--logo';
 
     a.appendChild(this.createIcon(Icons.newplotlylogo));