diff --git a/README.md b/README.md
index 84ae6f45d2cd..f8b77ee8f452 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ To get started, check out <https://getbootstrap.com/>!
 
 Several quick start options are available:
 
-* [Download the latest release](https://github.com/twbs/bootstrap/archive/v3.4.0.zip).
+* [Download the latest release](https://github.com/twbs/bootstrap/archive/v3.4.1.zip).
 * Clone the repo: `git clone https://github.com/twbs/bootstrap.git`.
 * Install with [Bower](https://bower.io/): `bower install bootstrap`.
 * Install with [npm](https://www.npmjs.com/): `npm install bootstrap@3`.
diff --git a/_config.yml b/_config.yml
index da6870ed5df7..8b7a130a2d95 100644
--- a/_config.yml
+++ b/_config.yml
@@ -21,15 +21,15 @@ plugins:
   - jekyll-sitemap
 
 # Custom vars
-current_version:  3.4.0
+current_version:  3.4.1
 docs_version:     3.4
 repo:             https://github.com/twbs/bootstrap
 sass_repo:        https://github.com/twbs/bootstrap-sass
 
 download:
-  source:         https://github.com/twbs/bootstrap/archive/v3.4.0.zip
-  dist:           https://github.com/twbs/bootstrap/releases/download/v3.4.0/bootstrap-3.4.0-dist.zip
-  sass:           https://github.com/twbs/bootstrap-sass/archive/v3.4.0.tar.gz
+  source:         https://github.com/twbs/bootstrap/archive/v3.4.1.zip
+  dist:           https://github.com/twbs/bootstrap/releases/download/v3.4.1/bootstrap-3.4.1-dist.zip
+  sass:           https://github.com/twbs/bootstrap-sass/archive/v3.4.1.tar.gz
 
 blog:             https://blog.getbootstrap.com
 expo:             https://expo.getbootstrap.com
@@ -37,9 +37,9 @@ themes:           https://themes.getbootstrap.com
 
 cdn:
   # See https://www.srihash.org for info on how to generate the hashes
-  css:            https://stackpath.bootstrapcdn.com/bootstrap/3.4.0/css/bootstrap.min.css
+  css:            https://stackpath.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css
   css_hash:       "sha384-PmY9l28YgO4JwMKbTvgaS7XNZJ30MK9FAZjjzXtlqyZCqBY6X6bXIkM++IkyinN+"
-  css_theme:      https://stackpath.bootstrapcdn.com/bootstrap/3.4.0/css/bootstrap-theme.min.css
+  css_theme:      https://stackpath.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap-theme.min.css
   css_theme_hash: "sha384-jzngWsPS6op3fgRCDTESqrEJwRKck+CILhJVO5VvaAZCq8JYf8HsR/HPpBOOPZfR"
-  js:             https://stackpath.bootstrapcdn.com/bootstrap/3.4.0/js/bootstrap.min.js
+  js:             https://stackpath.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js
   js_hash:        "sha384-vhJnz1OVIdLktyixHY4Uk3OHEwdQqPppqYR8+5mjsauETgLOcEynD9oPHhhz18Nw"
diff --git a/docs/assets/js/src/customizer.js b/docs/assets/js/src/customizer.js
index a6382fd0f4e0..0eb3307ebccb 100644
--- a/docs/assets/js/src/customizer.js
+++ b/docs/assets/js/src/customizer.js
@@ -12,7 +12,7 @@ window.onload = function () { // wait for load in a dumb way because B-0
   'use strict';
 
   var cw = '/*!\n' +
-           ' * Bootstrap v3.4.0 (https://getbootstrap.com/)\n' +
+           ' * Bootstrap v3.4.1 (https://getbootstrap.com/)\n' +
            ' * Copyright 2011-' + new Date().getFullYear() + ' Twitter, Inc.\n' +
            ' * Licensed under the MIT license\n' +
            ' */\n\n'
diff --git a/js/affix.js b/js/affix.js
index 8aa38c424ac8..ad629048d401 100644
--- a/js/affix.js
+++ b/js/affix.js
@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: affix.js v3.4.0
+ * Bootstrap: affix.js v3.4.1
  * https://getbootstrap.com/docs/3.4/javascript/#affix
  * ========================================================================
  * Copyright 2011-2019 Twitter, Inc.
@@ -30,7 +30,7 @@
     this.checkPosition()
   }
 
-  Affix.VERSION  = '3.4.0'
+  Affix.VERSION  = '3.4.1'
 
   Affix.RESET    = 'affix affix-top affix-bottom'
 
diff --git a/js/alert.js b/js/alert.js
index 03c8b914306d..7f9606b74207 100644
--- a/js/alert.js
+++ b/js/alert.js
@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: alert.js v3.4.0
+ * Bootstrap: alert.js v3.4.1
  * https://getbootstrap.com/docs/3.4/javascript/#alerts
  * ========================================================================
  * Copyright 2011-2019 Twitter, Inc.
@@ -18,7 +18,7 @@
     $(el).on('click', dismiss, this.close)
   }
 
-  Alert.VERSION = '3.4.0'
+  Alert.VERSION = '3.4.1'
 
   Alert.TRANSITION_DURATION = 150
 
diff --git a/js/button.js b/js/button.js
index 96b379b24ae5..ff4af20e23b5 100644
--- a/js/button.js
+++ b/js/button.js
@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: button.js v3.4.0
+ * Bootstrap: button.js v3.4.1
  * https://getbootstrap.com/docs/3.4/javascript/#buttons
  * ========================================================================
  * Copyright 2011-2019 Twitter, Inc.
@@ -19,7 +19,7 @@
     this.isLoading = false
   }
 
-  Button.VERSION  = '3.4.0'
+  Button.VERSION  = '3.4.1'
 
   Button.DEFAULTS = {
     loadingText: 'loading...'
diff --git a/js/carousel.js b/js/carousel.js
index d2193bdc51b5..a5fcac317088 100644
--- a/js/carousel.js
+++ b/js/carousel.js
@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: carousel.js v3.4.0
+ * Bootstrap: carousel.js v3.4.1
  * https://getbootstrap.com/docs/3.4/javascript/#carousel
  * ========================================================================
  * Copyright 2011-2019 Twitter, Inc.
@@ -30,7 +30,7 @@
       .on('mouseleave.bs.carousel', $.proxy(this.cycle, this))
   }
 
-  Carousel.VERSION  = '3.4.0'
+  Carousel.VERSION  = '3.4.1'
 
   Carousel.TRANSITION_DURATION = 600
 
diff --git a/js/collapse.js b/js/collapse.js
index 2b726067ed0a..2cd5997fd552 100644
--- a/js/collapse.js
+++ b/js/collapse.js
@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: collapse.js v3.4.0
+ * Bootstrap: collapse.js v3.4.1
  * https://getbootstrap.com/docs/3.4/javascript/#collapse
  * ========================================================================
  * Copyright 2011-2019 Twitter, Inc.
@@ -30,7 +30,7 @@
     if (this.options.toggle) this.toggle()
   }
 
-  Collapse.VERSION  = '3.4.0'
+  Collapse.VERSION  = '3.4.1'
 
   Collapse.TRANSITION_DURATION = 350
 
diff --git a/js/dropdown.js b/js/dropdown.js
index 814ef2811e73..c4e5f65dfc77 100644
--- a/js/dropdown.js
+++ b/js/dropdown.js
@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: dropdown.js v3.4.0
+ * Bootstrap: dropdown.js v3.4.1
  * https://getbootstrap.com/docs/3.4/javascript/#dropdowns
  * ========================================================================
  * Copyright 2011-2019 Twitter, Inc.
@@ -19,7 +19,7 @@
     $(element).on('click.bs.dropdown', this.toggle)
   }
 
-  Dropdown.VERSION = '3.4.0'
+  Dropdown.VERSION = '3.4.1'
 
   function getParent($this) {
     var selector = $this.attr('data-target')
diff --git a/js/modal.js b/js/modal.js
index 5719e6ca6806..b9eca494fe7c 100644
--- a/js/modal.js
+++ b/js/modal.js
@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: modal.js v3.4.0
+ * Bootstrap: modal.js v3.4.1
  * https://getbootstrap.com/docs/3.4/javascript/#modals
  * ========================================================================
  * Copyright 2011-2019 Twitter, Inc.
@@ -34,7 +34,7 @@
     }
   }
 
-  Modal.VERSION = '3.4.0'
+  Modal.VERSION = '3.4.1'
 
   Modal.TRANSITION_DURATION = 300
   Modal.BACKDROP_TRANSITION_DURATION = 150
diff --git a/js/popover.js b/js/popover.js
index e64c3517940a..66a301cb8c20 100644
--- a/js/popover.js
+++ b/js/popover.js
@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: popover.js v3.4.0
+ * Bootstrap: popover.js v3.4.1
  * https://getbootstrap.com/docs/3.4/javascript/#popovers
  * ========================================================================
  * Copyright 2011-2019 Twitter, Inc.
@@ -19,7 +19,7 @@
 
   if (!$.fn.tooltip) throw new Error('Popover requires tooltip.js')
 
-  Popover.VERSION  = '3.4.0'
+  Popover.VERSION  = '3.4.1'
 
   Popover.DEFAULTS = $.extend({}, $.fn.tooltip.Constructor.DEFAULTS, {
     placement: 'right',
diff --git a/js/scrollspy.js b/js/scrollspy.js
index 821b4e4dce93..a629ac6b1c20 100644
--- a/js/scrollspy.js
+++ b/js/scrollspy.js
@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: scrollspy.js v3.4.0
+ * Bootstrap: scrollspy.js v3.4.1
  * https://getbootstrap.com/docs/3.4/javascript/#scrollspy
  * ========================================================================
  * Copyright 2011-2019 Twitter, Inc.
@@ -28,7 +28,7 @@
     this.process()
   }
 
-  ScrollSpy.VERSION  = '3.4.0'
+  ScrollSpy.VERSION  = '3.4.1'
 
   ScrollSpy.DEFAULTS = {
     offset: 10
diff --git a/js/tab.js b/js/tab.js
index 78e9a5aefc88..74495dffcb79 100644
--- a/js/tab.js
+++ b/js/tab.js
@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: tab.js v3.4.0
+ * Bootstrap: tab.js v3.4.1
  * https://getbootstrap.com/docs/3.4/javascript/#tabs
  * ========================================================================
  * Copyright 2011-2019 Twitter, Inc.
@@ -19,7 +19,7 @@
     // jscs:enable requireDollarBeforejQueryAssignment
   }
 
-  Tab.VERSION = '3.4.0'
+  Tab.VERSION = '3.4.1'
 
   Tab.TRANSITION_DURATION = 150
 
diff --git a/js/tooltip.js b/js/tooltip.js
index e605cd99ca3c..c8c1c8c2eeb9 100644
--- a/js/tooltip.js
+++ b/js/tooltip.js
@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: tooltip.js v3.4.0
+ * Bootstrap: tooltip.js v3.4.1
  * https://getbootstrap.com/docs/3.4/javascript/#tooltip
  * Inspired by the original jQuery.tipsy by Jason Frame
  * ========================================================================
@@ -156,7 +156,7 @@
     this.init('tooltip', element, options)
   }
 
-  Tooltip.VERSION  = '3.4.0'
+  Tooltip.VERSION  = '3.4.1'
 
   Tooltip.TRANSITION_DURATION = 150
 
diff --git a/js/transition.js b/js/transition.js
index f27228ff8fb3..5a9a3e30f760 100644
--- a/js/transition.js
+++ b/js/transition.js
@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: transition.js v3.4.0
+ * Bootstrap: transition.js v3.4.1
  * https://getbootstrap.com/docs/3.4/javascript/#transitions
  * ========================================================================
  * Copyright 2011-2019 Twitter, Inc.
diff --git a/less/bootstrap.less b/less/bootstrap.less
index 506eed06808a..d6161eb2e5fa 100644
--- a/less/bootstrap.less
+++ b/less/bootstrap.less
@@ -1,5 +1,5 @@
 /*!
- * Bootstrap v3.4.0 (https://getbootstrap.com/)
+ * Bootstrap v3.4.1 (https://getbootstrap.com/)
  * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */
diff --git a/less/theme.less b/less/theme.less
index 1101b54ef22c..8c66f49dd94f 100644
--- a/less/theme.less
+++ b/less/theme.less
@@ -1,7 +1,7 @@
 // stylelint-disable selector-no-qualifying-type, selector-max-compound-selectors
 
 /*!
- * Bootstrap v3.4.0 (https://getbootstrap.com/)
+ * Bootstrap v3.4.1 (https://getbootstrap.com/)
  * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */
diff --git a/nuget/bootstrap.less.nuspec b/nuget/bootstrap.less.nuspec
index 2d64f6ea0062..60292c3979d0 100644
--- a/nuget/bootstrap.less.nuspec
+++ b/nuget/bootstrap.less.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
   <metadata>
     <id>bootstrap.less</id>
-    <version>3.4.0</version>
+    <version>3.4.1</version>
     <title>Bootstrap Less</title>
     <authors>Twitter, Inc.</authors>
     <owners>bootstrap</owners>
diff --git a/nuget/bootstrap.nuspec b/nuget/bootstrap.nuspec
index 77f79be9d872..e2a487b769d9 100644
--- a/nuget/bootstrap.nuspec
+++ b/nuget/bootstrap.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
   <metadata>
     <id>bootstrap</id>
-    <version>3.4.0</version>
+    <version>3.4.1</version>
     <title>Bootstrap CSS</title>
     <authors>Twitter, Inc.</authors>
     <owners>bootstrap</owners>
diff --git a/package-lock.json b/package-lock.json
index f01aff0a7ba0..1bf411932222 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "bootstrap",
-  "version": "3.4.0",
+  "version": "3.4.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.js b/package.js
index 13bf4208417e..81177e4bf8fe 100644
--- a/package.js
+++ b/package.js
@@ -6,7 +6,7 @@
 Package.describe({
   name: 'twbs:bootstrap',  // https://atmospherejs.com/twbs/bootstrap
   summary: 'The most popular front-end framework for developing responsive, mobile first projects on the web.',
-  version: '3.4.0',
+  version: '3.4.1',
   git: 'https://github.com/twbs/bootstrap.git'
 });
 
diff --git a/package.json b/package.json
index 8cbf4fd07ddd..94910dca5ba9 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "bootstrap",
   "description": "The most popular front-end framework for developing responsive, mobile first projects on the web.",
-  "version": "3.4.0",
+  "version": "3.4.1",
   "keywords": [
     "css",
     "less",