diff --git a/Telegram/Resources/uwp/AppX/AppxManifest.xml b/Telegram/Resources/uwp/AppX/AppxManifest.xml
index 22c935a67..f213585bc 100644
--- a/Telegram/Resources/uwp/AppX/AppxManifest.xml
+++ b/Telegram/Resources/uwp/AppX/AppxManifest.xml
@@ -10,7 +10,7 @@
   <Identity Name="TelegramMessengerLLP.TelegramDesktop"
     ProcessorArchitecture="ARCHITECTURE"
     Publisher="CN=536BC709-8EE1-4478-AF22-F0F0F26FF64A"
-    Version="3.4.6.0" />
+    Version="3.4.7.0" />
   <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 f4ec5009f..90e76c7f1 100644
--- a/Telegram/Resources/winrc/Telegram.rc
+++ b/Telegram/Resources/winrc/Telegram.rc
@@ -44,8 +44,8 @@ IDI_ICON1               ICON                    "..\\art\\icon256.ico"
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 3,4,6,0
- PRODUCTVERSION 3,4,6,0
+ FILEVERSION 3,4,7,0
+ PRODUCTVERSION 3,4,7,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -62,10 +62,10 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Telegram FZ-LLC"
             VALUE "FileDescription", "Telegram Desktop"
-            VALUE "FileVersion", "3.4.6.0"
+            VALUE "FileVersion", "3.4.7.0"
             VALUE "LegalCopyright", "Copyright (C) 2014-2022"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "3.4.6.0"
+            VALUE "ProductVersion", "3.4.7.0"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/Telegram/Resources/winrc/Updater.rc b/Telegram/Resources/winrc/Updater.rc
index 0c025babd..21dcbd833 100644
--- a/Telegram/Resources/winrc/Updater.rc
+++ b/Telegram/Resources/winrc/Updater.rc
@@ -35,8 +35,8 @@ LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 3,4,6,0
- PRODUCTVERSION 3,4,6,0
+ FILEVERSION 3,4,7,0
+ PRODUCTVERSION 3,4,7,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -53,10 +53,10 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Telegram FZ-LLC"
             VALUE "FileDescription", "Telegram Desktop Updater"
-            VALUE "FileVersion", "3.4.6.0"
+            VALUE "FileVersion", "3.4.7.0"
             VALUE "LegalCopyright", "Copyright (C) 2014-2022"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "3.4.6.0"
+            VALUE "ProductVersion", "3.4.7.0"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/Telegram/SourceFiles/core/version.h b/Telegram/SourceFiles/core/version.h
index 5f46ba96f..4a853c2eb 100644
--- a/Telegram/SourceFiles/core/version.h
+++ b/Telegram/SourceFiles/core/version.h
@@ -22,7 +22,7 @@ constexpr auto AppId = "{53F49750-6209-4FBF-9CA8-7A333C87D1ED}"_cs;
 constexpr auto AppNameOld = "Telegram Win (Unofficial)"_cs;
 constexpr auto AppName = "Telegram Desktop"_cs;
 constexpr auto AppFile = "Telegram"_cs;
-constexpr auto AppVersion = 3004006;
-constexpr auto AppVersionStr = "3.4.6";
+constexpr auto AppVersion = 3004007;
+constexpr auto AppVersionStr = "3.4.7";
 constexpr auto AppBetaVersion = true;
 constexpr auto AppAlphaVersion = TDESKTOP_ALPHA_VERSION;
diff --git a/Telegram/build/version b/Telegram/build/version
index c37eb44b8..046139e46 100644
--- a/Telegram/build/version
+++ b/Telegram/build/version
@@ -1,7 +1,7 @@
-AppVersion         3004006
+AppVersion         3004007
 AppVersionStrMajor 3.4
-AppVersionStrSmall 3.4.6
-AppVersionStr      3.4.6
+AppVersionStrSmall 3.4.7
+AppVersionStr      3.4.7
 BetaChannel        1
 AlphaVersion       0
-AppVersionOriginal 3.4.6.beta
+AppVersionOriginal 3.4.7.beta
diff --git a/changelog.txt b/changelog.txt
index 1f393092a..0627b7608 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,7 @@
+3.4.7 beta (19.01.21)
+
+- Fix a crash on launch on Windows.
+
 3.4.6 beta (18.01.21)
 
 - Add snap layouts support on Windows 11.