diff --git a/Telegram/Resources/uwp/AppX/AppxManifest.xml b/Telegram/Resources/uwp/AppX/AppxManifest.xml
index d3a5ccfeb..ef401cee6 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="1.2.12.0" />
+    Version="1.2.13.0" />
   <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 d909761d6..7eaa00cf6 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 1,2,12,0
- PRODUCTVERSION 1,2,12,0
+ FILEVERSION 1,2,13,0
+ PRODUCTVERSION 1,2,13,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -52,10 +52,10 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Telegram Messenger LLP"
             VALUE "FileDescription", "Telegram Desktop"
-            VALUE "FileVersion", "1.2.12.0"
+            VALUE "FileVersion", "1.2.13.0"
             VALUE "LegalCopyright", "Copyright (C) 2014-2018"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "1.2.12.0"
+            VALUE "ProductVersion", "1.2.13.0"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/Telegram/Resources/winrc/Updater.rc b/Telegram/Resources/winrc/Updater.rc
index 217e329ab..c28c476b9 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 1,2,12,0
- PRODUCTVERSION 1,2,12,0
+ FILEVERSION 1,2,13,0
+ PRODUCTVERSION 1,2,13,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -43,10 +43,10 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Telegram Messenger LLP"
             VALUE "FileDescription", "Telegram Desktop Updater"
-            VALUE "FileVersion", "1.2.12.0"
+            VALUE "FileVersion", "1.2.13.0"
             VALUE "LegalCopyright", "Copyright (C) 2014-2018"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "1.2.12.0"
+            VALUE "ProductVersion", "1.2.13.0"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/Telegram/SourceFiles/core/version.h b/Telegram/SourceFiles/core/version.h
index 72c8f5d1d..c0e548743 100644
--- a/Telegram/SourceFiles/core/version.h
+++ b/Telegram/SourceFiles/core/version.h
@@ -11,7 +11,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #define BETA_VERSION_MACRO (0ULL)
 
-constexpr int AppVersion = 1002012;
-constexpr str_const AppVersionStr = "1.2.12";
+constexpr int AppVersion = 1002013;
+constexpr str_const AppVersionStr = "1.2.13";
 constexpr bool AppAlphaVersion = true;
 constexpr uint64 AppBetaVersion = BETA_VERSION_MACRO;
diff --git a/Telegram/build/version b/Telegram/build/version
index 2ec82229b..d5509c292 100644
--- a/Telegram/build/version
+++ b/Telegram/build/version
@@ -1,6 +1,6 @@
-AppVersion         1002012
+AppVersion         1002013
 AppVersionStrMajor 1.2
-AppVersionStrSmall 1.2.12
-AppVersionStr      1.2.12
+AppVersionStrSmall 1.2.13
+AppVersionStr      1.2.13
 AlphaChannel       1
 BetaVersion        0
diff --git a/changelog.txt b/changelog.txt
index 19ab20b0c..726fc5f92 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,7 @@
+1.2.13 alpha (21.03.18)
+
+- Bug fixes and other minor improvements.
+
 1.2.12 alpha (12.03.18)
 
 - Bug fixes and other minor improvements.