diff --git a/Telegram/Resources/uwp/AppX/AppxManifest.xml b/Telegram/Resources/uwp/AppX/AppxManifest.xml
index a52637355a..d600fc7ce1 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="1.9.16.0" />
+    Version="1.9.17.0" />
   <Properties>
     <DisplayName>Telegram Desktop</DisplayName>
     <PublisherDisplayName>Telegram FZ-LLC</PublisherDisplayName>
diff --git a/Telegram/Resources/winrc/Telegram.rc b/Telegram/Resources/winrc/Telegram.rc
index fcf1da23d8..c067af099c 100644
--- a/Telegram/Resources/winrc/Telegram.rc
+++ b/Telegram/Resources/winrc/Telegram.rc
@@ -33,8 +33,8 @@ IDI_ICON1               ICON                    "..\\art\\icon256.ico"
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,9,16,0
- PRODUCTVERSION 1,9,16,0
+ FILEVERSION 1,9,17,0
+ PRODUCTVERSION 1,9,17,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -51,10 +51,10 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Telegram FZ-LLC"
             VALUE "FileDescription", "Telegram Desktop"
-            VALUE "FileVersion", "1.9.16.0"
+            VALUE "FileVersion", "1.9.17.0"
             VALUE "LegalCopyright", "Copyright (C) 2014-2020"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "1.9.16.0"
+            VALUE "ProductVersion", "1.9.17.0"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/Telegram/Resources/winrc/Updater.rc b/Telegram/Resources/winrc/Updater.rc
index 628a74f5f7..49e361f237 100644
--- a/Telegram/Resources/winrc/Updater.rc
+++ b/Telegram/Resources/winrc/Updater.rc
@@ -24,8 +24,8 @@ LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,9,16,0
- PRODUCTVERSION 1,9,16,0
+ FILEVERSION 1,9,17,0
+ PRODUCTVERSION 1,9,17,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -42,10 +42,10 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Telegram FZ-LLC"
             VALUE "FileDescription", "Telegram Desktop Updater"
-            VALUE "FileVersion", "1.9.16.0"
+            VALUE "FileVersion", "1.9.17.0"
             VALUE "LegalCopyright", "Copyright (C) 2014-2020"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "1.9.16.0"
+            VALUE "ProductVersion", "1.9.17.0"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/Telegram/SourceFiles/core/changelogs.cpp b/Telegram/SourceFiles/core/changelogs.cpp
index bd338c5a4c..1ea716f182 100644
--- a/Telegram/SourceFiles/core/changelogs.cpp
+++ b/Telegram/SourceFiles/core/changelogs.cpp
@@ -61,6 +61,13 @@ std::map<int, const char*> BetaLogs() {
 		"\xE2\x80\xA2 Mark new messages as read "
 		"while scrolling down through them.\n"
 
+		"\xE2\x80\xA2 Bug fixes and other minor improvements."
+	},
+
+	{
+		1009017,
+		"\xE2\x80\xA2 Spell checker on Windows 7.\n"
+
 		"\xE2\x80\xA2 Bug fixes and other minor improvements."
 	}
 	};
diff --git a/Telegram/SourceFiles/core/version.h b/Telegram/SourceFiles/core/version.h
index f32867215c..e8a2cde4f5 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 = 1009016;
-constexpr auto AppVersionStr = "1.9.16";
+constexpr auto AppVersion = 1009017;
+constexpr auto AppVersionStr = "1.9.17";
 constexpr auto AppBetaVersion = true;
 constexpr auto AppAlphaVersion = TDESKTOP_ALPHA_VERSION;
diff --git a/Telegram/build/version b/Telegram/build/version
index 01132d36c6..e7903d3de6 100644
--- a/Telegram/build/version
+++ b/Telegram/build/version
@@ -1,7 +1,7 @@
-AppVersion         1009016
+AppVersion         1009017
 AppVersionStrMajor 1.9
-AppVersionStrSmall 1.9.16
-AppVersionStr      1.9.16
+AppVersionStrSmall 1.9.17
+AppVersionStr      1.9.17
 BetaChannel        1
 AlphaVersion       0
-AppVersionOriginal 1.9.16.beta
+AppVersionOriginal 1.9.17.beta
diff --git a/changelog.txt b/changelog.txt
index bf90681eeb..fd51761a2b 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,8 @@
+1.9.17 beta (24.02.20)
+
+- Spell checker on Windows 7.
+- Bug fixes and other minor improvements.
+
 1.9.16 beta (23.02.20)
 
 - Bug fixes and other minor improvements.
diff --git a/cmake b/cmake
index 4c69234334..0c4fe1750f 160000
--- a/cmake
+++ b/cmake
@@ -1 +1 @@
-Subproject commit 4c69234334eeb32f35da08307d0de1467fbce575
+Subproject commit 0c4fe1750f232805f604048340d64bd1a6a18a74