diff --git a/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix b/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
index 9937c1816e64..c58ade82d302 100644
--- a/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
+++ b/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
@@ -70,7 +70,7 @@ let
 in
 env.mkDerivation rec {
   pname = "telegram-desktop";
-  version = "3.4.3";
+  version = "3.4.8";
   # Note: Update via pkgs/applications/networking/instant-messengers/telegram/tdesktop/update.py
 
   # Telegram-Desktop with submodules
@@ -79,7 +79,7 @@ env.mkDerivation rec {
     repo = "tdesktop";
     rev = "v${version}";
     fetchSubmodules = true;
-    sha256 = "0w8llqc4ffhp4gkvk6cyxah16yxm15am0msg3qn39fi2qqnm01x8";
+    sha256 = "11h2w82i10zn55iz9xda8ihsnv6s8rxm3wkmmmkpa4zfzinryqb4";
   };
 
   postPatch = ''