diff --git a/Telegram/Resources/uwp/AppX/AppxManifest.xml b/Telegram/Resources/uwp/AppX/AppxManifest.xml
index dbe54c2f8..aea178765 100644
--- a/Telegram/Resources/uwp/AppX/AppxManifest.xml
+++ b/Telegram/Resources/uwp/AppX/AppxManifest.xml
@@ -9,7 +9,7 @@
   <Identity Name="TelegramMessengerLLP.TelegramDesktop"
     ProcessorArchitecture="ARCHITECTURE"
     Publisher="CN=536BC709-8EE1-4478-AF22-F0F0F26FF64A"
-    Version="1.2.3.0" />
+    Version="1.2.4.0" />
   <Properties>
     <DisplayName>Telegram Desktop</DisplayName>
     <PublisherDisplayName>Telegram Messenger LLP</PublisherDisplayName>
diff --git a/Telegram/Resources/winrc/Telegram.rc b/Telegram/Resources/winrc/Telegram.rc
index b27439092..6e1bd3dbc 100644
--- a/Telegram/Resources/winrc/Telegram.rc
+++ b/Telegram/Resources/winrc/Telegram.rc
@@ -34,8 +34,8 @@ IDI_ICON1               ICON                    "..\\art\\icon256.ico"
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,2,3,0
- PRODUCTVERSION 1,2,3,0
+ FILEVERSION 1,2,4,0
+ PRODUCTVERSION 1,2,4,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -52,10 +52,10 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Telegram Messenger LLP"
             VALUE "FileDescription", "Telegram Desktop"
-            VALUE "FileVersion", "1.2.3.0"
+            VALUE "FileVersion", "1.2.4.0"
             VALUE "LegalCopyright", "Copyright (C) 2014-2017"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "1.2.3.0"
+            VALUE "ProductVersion", "1.2.4.0"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/Telegram/Resources/winrc/Updater.rc b/Telegram/Resources/winrc/Updater.rc
index 5982d3fab..f1f1921d5 100644
--- a/Telegram/Resources/winrc/Updater.rc
+++ b/Telegram/Resources/winrc/Updater.rc
@@ -25,8 +25,8 @@ LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,2,3,0
- PRODUCTVERSION 1,2,3,0
+ FILEVERSION 1,2,4,0
+ PRODUCTVERSION 1,2,4,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -43,10 +43,10 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Telegram Messenger LLP"
             VALUE "FileDescription", "Telegram Desktop Updater"
-            VALUE "FileVersion", "1.2.3.0"
+            VALUE "FileVersion", "1.2.4.0"
             VALUE "LegalCopyright", "Copyright (C) 2014-2017"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "1.2.3.0"
+            VALUE "ProductVersion", "1.2.4.0"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/Telegram/SourceFiles/apiwrap.cpp b/Telegram/SourceFiles/apiwrap.cpp
index 24446afca..2e7a05d1c 100644
--- a/Telegram/SourceFiles/apiwrap.cpp
+++ b/Telegram/SourceFiles/apiwrap.cpp
@@ -196,6 +196,7 @@ void ApiWrap::addLocalChangelogs(int oldAppVersion) {
 		addLocalAlphaChangelog(1001026, "\xE2\x80\x94 Admin badges in supergroup messages.\n\xE2\x80\x94 Fix crashing on launch in OS X 10.6.\n\xE2\x80\x94 Bug fixes and other minor improvements.");
 		addLocalAlphaChangelog(1001027, "\xE2\x80\x94 Saved Messages. Bookmark messages by forwarding them to \xE2\x80\x9C""Saved Messages\xE2\x80\x9D. Access them from the Chats list or from the side menu.");
 		addLocalAlphaChangelog(1002002, "\xE2\x80\x94 Grouped photos and videos are displayed as albums.");
+		addLocalAlphaChangelog(1002004, "\xE2\x80\x94 Group media into an album when sharing multiple photos and videos.\n\xE2\x80\x94 Bug fixes and other minor improvements.");
 	}
 	if (!addedSome) {
 		auto text = lng_new_version_wrap(lt_version, str_const_toString(AppVersionStr), lt_changes, lang(lng_new_version_minor), lt_link, qsl("https://desktop.telegram.org/changelog")).trimmed();
diff --git a/Telegram/SourceFiles/core/version.h b/Telegram/SourceFiles/core/version.h
index bb6f38a89..62673e049 100644
--- a/Telegram/SourceFiles/core/version.h
+++ b/Telegram/SourceFiles/core/version.h
@@ -24,7 +24,7 @@ Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
 
 #define BETA_VERSION_MACRO (0ULL)
 
-constexpr int AppVersion = 1002003;
-constexpr str_const AppVersionStr = "1.2.3";
+constexpr int AppVersion = 1002004;
+constexpr str_const AppVersionStr = "1.2.4";
 constexpr bool AppAlphaVersion = true;
 constexpr uint64 AppBetaVersion = BETA_VERSION_MACRO;
diff --git a/Telegram/build/version b/Telegram/build/version
index 49299cb3b..d26596792 100644
--- a/Telegram/build/version
+++ b/Telegram/build/version
@@ -1,6 +1,6 @@
-AppVersion         1002003
+AppVersion         1002004
 AppVersionStrMajor 1.2
-AppVersionStrSmall 1.2.3
-AppVersionStr      1.2.3
+AppVersionStrSmall 1.2.4
+AppVersionStr      1.2.4
 AlphaChannel       1
 BetaVersion        0
diff --git a/changelog.txt b/changelog.txt
index 91362c035..b3330672c 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,8 @@
+1.2.4 alpha (26.12.17)
+
+- Group media into an album when sharing multiple photos and videos.
+- Bug fixes and other minor improvements.
+
 1.2.3 alpha (17.12.17)
 
 - Several crash fixes.