diff --git a/lib/tasks/javascript.rake b/lib/tasks/javascript.rake
index 53015e36316..cf5f2e10b71 100644
--- a/lib/tasks/javascript.rake
+++ b/lib/tasks/javascript.rake
@@ -19,6 +19,9 @@ task 'javascript:update' do
 
   dependencies = [
     {
+      source: 'bootstrap/js/modal.js',
+      destination: 'bootstrap-modal.js'
+    }, {
       source: 'ace-builds/src-min-noconflict/.',
       destination: 'ace',
       public: true
diff --git a/package.json b/package.json
index 2e05f64c6b0..149959afe6f 100644
--- a/package.json
+++ b/package.json
@@ -10,6 +10,7 @@
     "ace-builds": "1.4.2",
     "bootbox": "3.2.0",
     "chart.js": "2.7.3",
+    "bootstrap": "v3.4.1",
     "favcount": "https://github.com/chrishunt/favcount",
     "handlebars": "4.0.12",
     "highlight.js": "https://github.com/highlightjs/highlight.js",
diff --git a/vendor/assets/javascripts/bootstrap-modal.js b/vendor/assets/javascripts/bootstrap-modal.js
index 1dd9c0df9d0..b9eca494fe7 100644
--- a/vendor/assets/javascripts/bootstrap-modal.js
+++ b/vendor/assets/javascripts/bootstrap-modal.js
@@ -1,8 +1,8 @@
 /* ========================================================================
- * Bootstrap: modal.js v3.3.4
- * http://getbootstrap.com/javascript/#modals
+ * Bootstrap: modal.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#modals
  * ========================================================================
- * Copyright 2011-2015 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -14,15 +14,16 @@
   // ======================
 
   var Modal = function (element, options) {
-    this.options             = options
-    this.$body               = $(document.body)
-    this.$element            = $(element)
-    this.$dialog             = this.$element.find('.modal-dialog')
-    this.$backdrop           = null
-    this.isShown             = null
-    this.originalBodyPad     = null
-    this.scrollbarWidth      = 0
+    this.options = options
+    this.$body = $(document.body)
+    this.$element = $(element)
+    this.$dialog = this.$element.find('.modal-dialog')
+    this.$backdrop = null
+    this.isShown = null
+    this.originalBodyPad = null
+    this.scrollbarWidth = 0
     this.ignoreBackdropClick = false
+    this.fixedContent = '.navbar-fixed-top, .navbar-fixed-bottom'
 
     if (this.options.remote) {
       this.$element
@@ -33,7 +34,7 @@
     }
   }
 
-  Modal.VERSION  = '3.3.4'
+  Modal.VERSION = '3.4.1'
 
   Modal.TRANSITION_DURATION = 300
   Modal.BACKDROP_TRANSITION_DURATION = 150
@@ -50,7 +51,7 @@
 
   Modal.prototype.show = function (_relatedTarget) {
     var that = this
-    var e    = $.Event('show.bs.modal', { relatedTarget: _relatedTarget })
+    var e = $.Event('show.bs.modal', { relatedTarget: _relatedTarget })
 
     this.$element.trigger(e)
 
@@ -140,7 +141,9 @@
     $(document)
       .off('focusin.bs.modal') // guard against infinite focus loop
       .on('focusin.bs.modal', $.proxy(function (e) {
-        if (this.$element[0] !== e.target && !this.$element.has(e.target).length) {
+        if (document !== e.target &&
+          this.$element[0] !== e.target &&
+          !this.$element.has(e.target).length) {
           this.$element.trigger('focus')
         }
       }, this))
@@ -242,7 +245,7 @@
     var modalIsOverflowing = this.$element[0].scrollHeight > document.documentElement.clientHeight
 
     this.$element.css({
-      paddingLeft:  !this.bodyIsOverflowing && modalIsOverflowing ? this.scrollbarWidth : '',
+      paddingLeft: !this.bodyIsOverflowing && modalIsOverflowing ? this.scrollbarWidth : '',
       paddingRight: this.bodyIsOverflowing && !modalIsOverflowing ? this.scrollbarWidth : ''
     })
   }
@@ -267,11 +270,26 @@
   Modal.prototype.setScrollbar = function () {
     var bodyPad = parseInt((this.$body.css('padding-right') || 0), 10)
     this.originalBodyPad = document.body.style.paddingRight || ''
-    if (this.bodyIsOverflowing) this.$body.css('padding-right', bodyPad + this.scrollbarWidth)
+    var scrollbarWidth = this.scrollbarWidth
+    if (this.bodyIsOverflowing) {
+      this.$body.css('padding-right', bodyPad + scrollbarWidth)
+      $(this.fixedContent).each(function (index, element) {
+        var actualPadding = element.style.paddingRight
+        var calculatedPadding = $(element).css('padding-right')
+        $(element)
+          .data('padding-right', actualPadding)
+          .css('padding-right', parseFloat(calculatedPadding) + scrollbarWidth + 'px')
+      })
+    }
   }
 
   Modal.prototype.resetScrollbar = function () {
     this.$body.css('padding-right', this.originalBodyPad)
+    $(this.fixedContent).each(function (index, element) {
+      var padding = $(element).data('padding-right')
+      $(element).removeData('padding-right')
+      element.style.paddingRight = padding ? padding : ''
+    })
   }
 
   Modal.prototype.measureScrollbar = function () { // thx walsh
@@ -289,12 +307,11 @@
 
   function Plugin(option, _relatedTarget) {
     return this.each(function () {
-      var $this   = $(this)
-      var data    = $this.data('bs.modal')
+      var $this = $(this)
+      var data = $this.data('bs.modal')
       var options = $.extend({}, Modal.DEFAULTS, $this.data(), typeof option == 'object' && option)
 
       if (!data) $this.data('bs.modal', (data = new Modal(this, options)))
-
       if (typeof option == 'string') data[option](_relatedTarget)
       else if (options.show) data.show(_relatedTarget)
     })
@@ -302,7 +319,7 @@
 
   var old = $.fn.modal
 
-  $.fn.modal             = Plugin
+  $.fn.modal = Plugin
   $.fn.modal.Constructor = Modal
 
 
@@ -319,10 +336,13 @@
   // ==============
 
   $(document).on('click.bs.modal.data-api', '[data-toggle="modal"]', function (e) {
-    var $this   = $(this)
-    var href    = $this.attr('href')
-    var $target = $($this.attr('data-target') || (href && href.replace(/.*(?=#[^\s]+$)/, ''))) // strip for ie7
-    var option  = $target.data('bs.modal') ? 'toggle' : $.extend({ remote: !/#/.test(href) && href }, $target.data(), $this.data())
+    var $this = $(this)
+    var href = $this.attr('href')
+    var target = $this.attr('data-target') ||
+      (href && href.replace(/.*(?=#[^\s]+$)/, '')) // strip for ie7
+
+    var $target = $(document).find(target)
+    var option = $target.data('bs.modal') ? 'toggle' : $.extend({ remote: !/#/.test(href) && href }, $target.data(), $this.data())
 
     if ($this.is('a')) e.preventDefault()
 
diff --git a/yarn.lock b/yarn.lock
index 8e7bf1979b8..a57ab9d0437 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -323,6 +323,11 @@ bootbox@3.2.0:
   resolved "https://registry.yarnpkg.com/bootbox/-/bootbox-3.2.0.tgz#00bf643fc9edefd9ae1e7c648c6b022db4be0aee"
   integrity sha1-AL9kP8nt79muHnxkjGsCLbS+Cu4=
 
+bootstrap@v3.4.1:
+  version "3.4.1"
+  resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-3.4.1.tgz#c3a347d419e289ad11f4033e3c4132b87c081d72"
+  integrity sha512-yN5oZVmRCwe5aKwzRj6736nSmKDX7pLYwsXiCj/EYmo16hODaBiT4En5btW/jhBF/seV+XMx3aYwukYC3A49DA==
+
 brace-expansion@^1.1.7:
   version "1.1.11"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"