diff --git a/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/default.nix b/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/default.nix
index 4dfe20e94892..5cf73100ab56 100644
--- a/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/default.nix
+++ b/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/default.nix
@@ -63,14 +63,14 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "telegram-desktop";
-  version = "5.4.1";
+  version = "5.5.1";
 
   src = fetchFromGitHub {
     owner = "telegramdesktop";
     repo = "tdesktop";
     rev = "v${finalAttrs.version}";
     fetchSubmodules = true;
-    hash = "sha256-AWu0LH6DH/omcIsgIBHQIg1uCKN9Ly6EVj4U9QxoSlg=";
+    hash = "sha256-PTa79SbSsOyWlZJ0ad4w6YIiChLzqaSZGRmzyq5qVK0=";
   };
 
   patches = [