diff --git a/Makefile b/Makefile
index cca8c297..637b0c9b 100644
--- a/Makefile
+++ b/Makefile
@@ -13,6 +13,9 @@ publish:
 	echo -n "Please open http://localhost:8000/dist/index.html and check if everything works fine." && read -e
 	cd dist && git add --all . && git commit -am "merged with master" && git push origin gh-pages
 
+bump:
+	./node_modules/gulp/bin/gulp.js bump
+
 
 txinstall:
 	curl -O https://raw.githubusercontent.com/pypa/pip/master/contrib/get-pip.py
diff --git a/app/js/app.js b/app/js/app.js
index a80ee454..78414b97 100644
--- a/app/js/app.js
+++ b/app/js/app.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.3.9 - messaging web application for MTProto
+ * Webogram v0.4.0 - messaging web application for MTProto
  * https://github.com/zhukov/webogram
  * Copyright (C) 2014 Igor Zhukov <igor.beatle@gmail.com>
  * https://github.com/zhukov/webogram/blob/master/LICENSE
diff --git a/app/js/background.js b/app/js/background.js
index 1df40fd7..8c4ed248 100644
--- a/app/js/background.js
+++ b/app/js/background.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.3.9 - messaging web application for MTProto
+ * Webogram v0.4.0 - messaging web application for MTProto
  * https://github.com/zhukov/webogram
  * Copyright (C) 2014 Igor Zhukov <igor.beatle@gmail.com>
  * https://github.com/zhukov/webogram/blob/master/LICENSE
diff --git a/app/js/controllers.js b/app/js/controllers.js
index 5408a24b..e27abf0b 100644
--- a/app/js/controllers.js
+++ b/app/js/controllers.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.3.9 - messaging web application for MTProto
+ * Webogram v0.4.0 - messaging web application for MTProto
  * https://github.com/zhukov/webogram
  * Copyright (C) 2014 Igor Zhukov <igor.beatle@gmail.com>
  * https://github.com/zhukov/webogram/blob/master/LICENSE
diff --git a/app/js/directives.js b/app/js/directives.js
index c7d4a209..3a06769e 100755
--- a/app/js/directives.js
+++ b/app/js/directives.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.3.9 - messaging web application for MTProto
+ * Webogram v0.4.0 - messaging web application for MTProto
  * https://github.com/zhukov/webogram
  * Copyright (C) 2014 Igor Zhukov <igor.beatle@gmail.com>
  * https://github.com/zhukov/webogram/blob/master/LICENSE
diff --git a/app/js/directives_mobile.js b/app/js/directives_mobile.js
index 0faedc98..67292ffe 100644
--- a/app/js/directives_mobile.js
+++ b/app/js/directives_mobile.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.3.9 - messaging web application for MTProto
+ * Webogram v0.4.0 - messaging web application for MTProto
  * https://github.com/zhukov/webogram
  * Copyright (C) 2014 Igor Zhukov <igor.beatle@gmail.com>
  * https://github.com/zhukov/webogram/blob/master/LICENSE
diff --git a/app/js/filters.js b/app/js/filters.js
index 6d979651..d9d4aacb 100644
--- a/app/js/filters.js
+++ b/app/js/filters.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.3.9 - messaging web application for MTProto
+ * Webogram v0.4.0 - messaging web application for MTProto
  * https://github.com/zhukov/webogram
  * Copyright (C) 2014 Igor Zhukov <igor.beatle@gmail.com>
  * https://github.com/zhukov/webogram/blob/master/LICENSE
diff --git a/app/js/lib/bin_utils.js b/app/js/lib/bin_utils.js
index a134d32d..4d92980f 100644
--- a/app/js/lib/bin_utils.js
+++ b/app/js/lib/bin_utils.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.3.9 - messaging web application for MTProto
+ * Webogram v0.4.0 - messaging web application for MTProto
  * https://github.com/zhukov/webogram
  * Copyright (C) 2014 Igor Zhukov <igor.beatle@gmail.com>
  * https://github.com/zhukov/webogram/blob/master/LICENSE
diff --git a/app/js/lib/config.js b/app/js/lib/config.js
index b0a832f8..fb953e52 100644
--- a/app/js/lib/config.js
+++ b/app/js/lib/config.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.3.9 - messaging web application for MTProto
+ * Webogram v0.4.0 - messaging web application for MTProto
  * https://github.com/zhukov/webogram
  * Copyright (C) 2014 Igor Zhukov <igor.beatle@gmail.com>
  * https://github.com/zhukov/webogram/blob/master/LICENSE
@@ -21,7 +21,7 @@ Config = window.Config || {};
 Config.App = {
   id: 2496,
   hash: '8da85b0d5bfe62527e5b244c209159c3',
-  version: '0.3.9',
+  version: '0.4.0',
   domains: ['web.telegram.org', 'zhukov.github.io']
 };
 
diff --git a/app/js/lib/crypto_worker.js b/app/js/lib/crypto_worker.js
index 65569bda..7f2240bc 100644
--- a/app/js/lib/crypto_worker.js
+++ b/app/js/lib/crypto_worker.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.3.9 - messaging web application for MTProto
+ * Webogram v0.4.0 - messaging web application for MTProto
  * https://github.com/zhukov/webogram
  * Copyright (C) 2014 Igor Zhukov <igor.beatle@gmail.com>
  * https://github.com/zhukov/webogram/blob/master/LICENSE
diff --git a/app/js/lib/mtproto.js b/app/js/lib/mtproto.js
index 31d2300c..e45ad417 100644
--- a/app/js/lib/mtproto.js
+++ b/app/js/lib/mtproto.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.3.9 - messaging web application for MTProto
+ * Webogram v0.4.0 - messaging web application for MTProto
  * https://github.com/zhukov/webogram
  * Copyright (C) 2014 Igor Zhukov <igor.beatle@gmail.com>
  * https://github.com/zhukov/webogram/blob/master/LICENSE
diff --git a/app/js/lib/mtproto_wrapper.js b/app/js/lib/mtproto_wrapper.js
index 0e234fec..69d29b4c 100644
--- a/app/js/lib/mtproto_wrapper.js
+++ b/app/js/lib/mtproto_wrapper.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.3.9 - messaging web application for MTProto
+ * Webogram v0.4.0 - messaging web application for MTProto
  * https://github.com/zhukov/webogram
  * Copyright (C) 2014 Igor Zhukov <igor.beatle@gmail.com>
  * https://github.com/zhukov/webogram/blob/master/LICENSE
diff --git a/app/js/lib/ng_utils.js b/app/js/lib/ng_utils.js
index cdaea5cf..fb54d8e0 100644
--- a/app/js/lib/ng_utils.js
+++ b/app/js/lib/ng_utils.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.3.9 - messaging web application for MTProto
+ * Webogram v0.4.0 - messaging web application for MTProto
  * https://github.com/zhukov/webogram
  * Copyright (C) 2014 Igor Zhukov <igor.beatle@gmail.com>
  * https://github.com/zhukov/webogram/blob/master/LICENSE
diff --git a/app/js/lib/tl_utils.js b/app/js/lib/tl_utils.js
index 84cf6b69..234a517d 100644
--- a/app/js/lib/tl_utils.js
+++ b/app/js/lib/tl_utils.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.3.9 - messaging web application for MTProto
+ * Webogram v0.4.0 - messaging web application for MTProto
  * https://github.com/zhukov/webogram
  * Copyright (C) 2014 Igor Zhukov <igor.beatle@gmail.com>
  * https://github.com/zhukov/webogram/blob/master/LICENSE
diff --git a/app/js/lib/utils.js b/app/js/lib/utils.js
index 031a475e..6d2bd8b0 100644
--- a/app/js/lib/utils.js
+++ b/app/js/lib/utils.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.3.9 - messaging web application for MTProto
+ * Webogram v0.4.0 - messaging web application for MTProto
  * https://github.com/zhukov/webogram
  * Copyright (C) 2014 Igor Zhukov <igor.beatle@gmail.com>
  * https://github.com/zhukov/webogram/blob/master/LICENSE
diff --git a/app/js/message_composer.js b/app/js/message_composer.js
index 43c5fd0c..dd4e855f 100644
--- a/app/js/message_composer.js
+++ b/app/js/message_composer.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.3.9 - messaging web application for MTProto
+ * Webogram v0.4.0 - messaging web application for MTProto
  * https://github.com/zhukov/webogram
  * Copyright (C) 2014 Igor Zhukov <igor.beatle@gmail.com>
  * https://github.com/zhukov/webogram/blob/master/LICENSE
diff --git a/app/js/services.js b/app/js/services.js
index 38ce1a78..744040f3 100644
--- a/app/js/services.js
+++ b/app/js/services.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.3.9 - messaging web application for MTProto
+ * Webogram v0.4.0 - messaging web application for MTProto
  * https://github.com/zhukov/webogram
  * Copyright (C) 2014 Igor Zhukov <igor.beatle@gmail.com>
  * https://github.com/zhukov/webogram/blob/master/LICENSE
diff --git a/app/manifest.json b/app/manifest.json
index 8b1e220b..c052c6be 100644
--- a/app/manifest.json
+++ b/app/manifest.json
@@ -1,7 +1,7 @@
 {
   "name": "Telegram",
   "description": "Telegram Web App.\nMore info & source code here: https://github.com/zhukov/webogram",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "short_name": "Telegram",
   "manifest_version": 2,
   "app": {
diff --git a/app/manifest.webapp b/app/manifest.webapp
index 68d1a46b..0d0e3031 100644
--- a/app/manifest.webapp
+++ b/app/manifest.webapp
@@ -1,7 +1,7 @@
 {
   "name": "Telegram",
   "description": "Telegram Web App.\nMore info & source code here: https://github.com/zhukov/webogram",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "type": "privileged",
   "launch_path": "/index.html",
   "developer": {
diff --git a/app/partials/desktop/changelog_modal.html b/app/partials/desktop/changelog_modal.html
index 36a16c6a..b3fe49c4 100644
--- a/app/partials/desktop/changelog_modal.html
+++ b/app/partials/desktop/changelog_modal.html
@@ -31,6 +31,18 @@
 
     <div class="md_modal_sections">
 
+      <div class="md_modal_versioned_section_wrap" ng-if="canShowVersion('0.4.0')">
+        <div class="md_modal_section_version">0.4.0</div>
+        <div class="md_modal_section_description changelog_version_changes">
+          <ul class="list-unstyled changelog_version_changes_list">
+            <li>Full stickers support</li>
+            <li>Added 'typing' notification in conversations list</li>
+            <li>Group online participants count in head</li>
+            <li>Emoji autocomplete: type <strong>:</strong> (colon) in message field to see the list. <a href="http://www.emoji-cheat-sheet.com/" target="_blank">Full cheat sheet</a></li>
+          </ul>
+        </div>
+      </div>
+
       <div class="md_modal_versioned_section_wrap" ng-if="canShowVersion('0.3.9')">
         <div class="md_modal_section_version">0.3.9</div>
         <div class="md_modal_section_description changelog_version_changes">
diff --git a/app/partials/mobile/changelog_modal.html b/app/partials/mobile/changelog_modal.html
index 7626aea7..3b10e8a0 100644
--- a/app/partials/mobile/changelog_modal.html
+++ b/app/partials/mobile/changelog_modal.html
@@ -19,11 +19,25 @@
 
     <div class="changelog_versions_wrap">
 
+      <div class="modal_section changelog_version_wrap">
+        <h3 class="modal_section_header changelog_version_title">
+          Version 0.4.0
+          <span class="pull-right" my-i18n="changelog_modal_title_current_version"></span>
+        </h3>
+        <div class="modal_section_body changelog_version_changes">
+          <ul class="list-unstyled changelog_version_changes_list">
+            <li>Full stickers support</li>
+            <li>Added 'typing' notification in conversations list</li>
+            <li>Group online participants count in head</li>
+            <li>Emoji autocomplete: type <strong>:</strong> (colon) in message field to see the list. <a href="http://www.emoji-cheat-sheet.com/" target="_blank">Full cheat sheet</a></li>
+          </ul>
+        </div>
+      </div>
+
 
       <div class="modal_section changelog_version_wrap">
         <h3 class="modal_section_header changelog_version_title">
           Version 0.3.9
-          <span class="pull-right" my-i18n="changelog_modal_title_current_version"></span>
         </h3>
         <div class="modal_section_body changelog_version_changes">
           <ul class="list-unstyled changelog_version_changes_list">
diff --git a/package.json b/package.json
index 2418a7c9..30346a06 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "Telegram",
   "description": "Telegram Web App.\nMore info & source code here: https://github.com/zhukov/webogram",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "main": "app/index.html",
   "single-instance": true,
   "dom_storage_quota": 40,