diff --git a/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix b/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
index d4493355951f..eacd5ece8b88 100644
--- a/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
+++ b/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
@@ -19,12 +19,12 @@ with lib;
 
 mkDerivation rec {
   pname = "telegram-desktop";
-  version = "2.1.11";
+  version = "2.1.12";
 
   # Telegram-Desktop with submodules
   src = fetchurl {
     url = "https://github.com/telegramdesktop/tdesktop/releases/download/v${version}/tdesktop-${version}-full.tar.gz";
-    sha256 = "1sd6nrcjg5gpq6ynvwnz8f4jz8flknybx6b0pfxqrqqpzy7wjl5m";
+    sha256 = "1b9kgib9dxjcfnw2zdbqd12ikcswkl35nwy9m47x5jvy3glxg6m8";
   };
 
   postPatch = ''