diff --git a/Telegram/Resources/uwp/AppX/AppxManifest.xml b/Telegram/Resources/uwp/AppX/AppxManifest.xml
index b58e238f6f..3f4054931d 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="6.7.6.0" />
+    Version="6.7.7.0" />
   <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 a8324b7fc8..9596318f5c 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 6,7,6,0
- PRODUCTVERSION 6,7,6,0
+ FILEVERSION 6,7,7,0
+ PRODUCTVERSION 6,7,7,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -62,10 +62,10 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Telegram FZ-LLC"
             VALUE "FileDescription", "Telegram Desktop"
-            VALUE "FileVersion", "6.7.6.0"
+            VALUE "FileVersion", "6.7.7.0"
             VALUE "LegalCopyright", "Copyright (C) 2014-2026"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "6.7.6.0"
+            VALUE "ProductVersion", "6.7.7.0"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/Telegram/Resources/winrc/Updater.rc b/Telegram/Resources/winrc/Updater.rc
index 9e179967e6..74422501c2 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 6,7,6,0
- PRODUCTVERSION 6,7,6,0
+ FILEVERSION 6,7,7,0
+ PRODUCTVERSION 6,7,7,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -53,10 +53,10 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Telegram FZ-LLC"
             VALUE "FileDescription", "Telegram Desktop Updater"
-            VALUE "FileVersion", "6.7.6.0"
+            VALUE "FileVersion", "6.7.7.0"
             VALUE "LegalCopyright", "Copyright (C) 2014-2026"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "6.7.6.0"
+            VALUE "ProductVersion", "6.7.7.0"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/Telegram/SourceFiles/core/version.h b/Telegram/SourceFiles/core/version.h
index 6606e8738a..c871fdba11 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 = 6007006;
-constexpr auto AppVersionStr = "6.7.6";
-constexpr auto AppBetaVersion = false;
+constexpr auto AppVersion = 6007007;
+constexpr auto AppVersionStr = "6.7.7";
+constexpr auto AppBetaVersion = true;
 constexpr auto AppAlphaVersion = TDESKTOP_ALPHA_VERSION;
diff --git a/Telegram/build/version b/Telegram/build/version
index a8aa8e5d9f..72966b3498 100644
--- a/Telegram/build/version
+++ b/Telegram/build/version
@@ -1,7 +1,7 @@
-AppVersion         6007006
+AppVersion         6007007
 AppVersionStrMajor 6.7
-AppVersionStrSmall 6.7.6
-AppVersionStr      6.7.6
-BetaChannel        0
+AppVersionStrSmall 6.7.7
+AppVersionStr      6.7.7
+BetaChannel        1
 AlphaVersion       0
-AppVersionOriginal 6.7.6
+AppVersionOriginal 6.7.7.beta
diff --git a/changelog.txt b/changelog.txt
index a35e6f601d..b7232a63eb 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,17 @@
+6.7.7 beta (20.04.26)
+
+- Proxy auto-rotation option.
+- Allow seeking in video messages.
+- Styled text items with emoji support in image editor.
+- Wheel zoom and middle-button panning in image editor.
+- Reply header with preview in send files box.
+- Bring back original video quality option.
+- Delete owned sticker set from sticker set box.
+- Add-to-Sticker-Set and Add-to-Emoji-Set submenus for foreign packs.
+- Screen reader support for language list and country select box.
+- Fix stories in albums with reorder enabled.
+- Fix layout for RTL messages.
+
 6.7.6 (14.04.26)
 
 - Gradient-reveal animation for text appearing in messages.