diff --git a/Telegram/SourceFiles/core/version.h b/Telegram/SourceFiles/core/version.h
index 427dbf7d3f..2ee4b6df7f 100644
--- a/Telegram/SourceFiles/core/version.h
+++ b/Telegram/SourceFiles/core/version.h
@@ -13,5 +13,5 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 constexpr int AppVersion = 1003006;
 constexpr str_const AppVersionStr = "1.3.6";
-constexpr bool AppAlphaVersion = false;
+constexpr bool AppAlphaVersion = true;
 constexpr uint64 AppBetaVersion = BETA_VERSION_MACRO;
diff --git a/Telegram/build/version b/Telegram/build/version
index a0556aaa69..cfb29cd169 100644
--- a/Telegram/build/version
+++ b/Telegram/build/version
@@ -2,5 +2,5 @@ AppVersion         1003006
 AppVersionStrMajor 1.3
 AppVersionStrSmall 1.3.6
 AppVersionStr      1.3.6
-AlphaChannel       0
+AlphaChannel       1
 BetaVersion        0