diff --git a/app/js/app.js b/app/js/app.js
index cd16bb5a..459d6967 100644
--- a/app/js/app.js
+++ b/app/js/app.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.2 - messaging web application for MTProto
+ * Webogram v0.2.1 - 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 ce55f457..b8dfaffc 100644
--- a/app/js/background.js
+++ b/app/js/background.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.2 - messaging web application for MTProto
+ * Webogram v0.2.1 - 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 85f41c1e..62a881c5 100644
--- a/app/js/controllers.js
+++ b/app/js/controllers.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.2 - messaging web application for MTProto
+ * Webogram v0.2.1 - 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 0f5525dc..d95b08e3 100644
--- a/app/js/directives.js
+++ b/app/js/directives.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.2 - messaging web application for MTProto
+ * Webogram v0.2.1 - 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 d56ca665..72946fd9 100644
--- a/app/js/filters.js
+++ b/app/js/filters.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.2 - messaging web application for MTProto
+ * Webogram v0.2.1 - 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 5e093c07..ac9bf8e7 100644
--- a/app/js/lib/bin_utils.js
+++ b/app/js/lib/bin_utils.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.2 - messaging web application for MTProto
+ * Webogram v0.2.1 - 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 26fad054..f4301841 100644
--- a/app/js/lib/config.js
+++ b/app/js/lib/config.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.2 - messaging web application for MTProto
+ * Webogram v0.2.1 - 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: '0.2'
+  version: '0.2.1'
 };
 
 Config.Modes = {
diff --git a/app/js/lib/crypto_worker.js b/app/js/lib/crypto_worker.js
index b53e6f20..de8479f1 100644
--- a/app/js/lib/crypto_worker.js
+++ b/app/js/lib/crypto_worker.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.2 - messaging web application for MTProto
+ * Webogram v0.2.1 - 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 b623e64d..9382e747 100644
--- a/app/js/lib/mtproto.js
+++ b/app/js/lib/mtproto.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.2 - messaging web application for MTProto
+ * Webogram v0.2.1 - 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 a26c05ac..a523b0ce 100644
--- a/app/js/lib/mtproto_wrapper.js
+++ b/app/js/lib/mtproto_wrapper.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.2 - messaging web application for MTProto
+ * Webogram v0.2.1 - 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 7eef7698..737b5699 100644
--- a/app/js/lib/ng_utils.js
+++ b/app/js/lib/ng_utils.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.2 - messaging web application for MTProto
+ * Webogram v0.2.1 - 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 f1e1118b..20fad384 100644
--- a/app/js/lib/tl_utils.js
+++ b/app/js/lib/tl_utils.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.2 - messaging web application for MTProto
+ * Webogram v0.2.1 - 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 697bde34..609cf12e 100644
--- a/app/js/lib/utils.js
+++ b/app/js/lib/utils.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.2 - messaging web application for MTProto
+ * Webogram v0.2.1 - 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 4b7280e5..43b282a5 100644
--- a/app/js/services.js
+++ b/app/js/services.js
@@ -1,5 +1,5 @@
 /*!
- * Webogram v0.2 - messaging web application for MTProto
+ * Webogram v0.2.1 - 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 292246dd..d7a19427 100644
--- a/app/manifest.json
+++ b/app/manifest.json
@@ -1,6 +1,6 @@
 {
   "name": "Telegram UNOFFICIAL",
-  "version": "0.2",
+  "version": "0.2.1",
   "short_name": "Webogram",
   "manifest_version": 2,
   "app": {
diff --git a/app/manifest.webapp b/app/manifest.webapp
index e0898414..c3bed42a 100644
--- a/app/manifest.webapp
+++ b/app/manifest.webapp
@@ -1,7 +1,7 @@
 {
   "name": "Telegram",
   "description": "UNOFFICIAL Telegram Web App.\nMore info & source code here: https://github.com/zhukov/webogram",
-  "version": "0.2",
+  "version": "0.2.1",
   "type": "privileged",
   "launch_path": "/index.html",
   "developer": {
diff --git a/app/partials/changelog_modal.html b/app/partials/changelog_modal.html
index 52f3f175..c08395c2 100644
--- a/app/partials/changelog_modal.html
+++ b/app/partials/changelog_modal.html
@@ -20,6 +20,31 @@
       <div class="modal_section changelog_version_wrap">
         <h3 class="modal_section_header changelog_version_title">
           <span class="pull-right">current version</span>
+          Version 0.2.1
+        </h3>
+        <div class="modal_section_body changelog_version_changes">
+          <ul class="list-unstyled changelog_version_changes_list">
+            <li>Improved key generation performance on slow devices</li>
+            <li>Added network sleep for mobile devices</li>
+            <li>[FirefoxOS] Added support of PUSH notifications</li>
+          </ul>
+        </div>
+      </div>
+
+      <div class="modal_section changelog_version_wrap">
+        <h3 class="modal_section_header changelog_version_title">
+          Version 0.2
+        </h3>
+        <div class="modal_section_body changelog_version_changes">
+          <ul class="list-unstyled changelog_version_changes_list">
+            <li>Updated contacts list, added edit mode</li>
+            <li>First Firefox OS release. See <a href="https://marketplace.firefox.com/app/telegram" target="_blank">Firefox Marketplace</a></li>
+          </ul>
+        </div>
+      </div>
+
+      <div class="modal_section changelog_version_wrap">
+        <h3 class="modal_section_header changelog_version_title">
           Version 0.1.9
         </h3>
         <div class="modal_section_body changelog_version_changes">
diff --git a/package.json b/package.json
index a7954373..bb1dbdb0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Telegram",
-  "version": "0.2",
+  "version": "0.2.1",
   "description": "Telegram UNOFFICIAL Web App",
   "main": "app/index.html",
   "single-instance": true,