diff --git a/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/tg_owt.nix b/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/tg_owt.nix
index 187b1a8c1219..6a05fd4e76ff 100644
--- a/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/tg_owt.nix
+++ b/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/tg_owt.nix
@@ -33,13 +33,13 @@
 
 stdenv.mkDerivation {
   pname = "tg_owt";
-  version = "0-unstable-2025-06-02";
+  version = "0-unstable-2025-12-12";
 
   src = fetchFromGitHub {
     owner = "desktop-app";
     repo = "tg_owt";
-    rev = "62321fd7128ab2650b459d4195781af8185e46b5";
-    hash = "sha256-l6EdHJLd42TU+4pLakdU3a5PLVxrxjta0CSRy5hVBFU=";
+    rev = "d888bc3f79b4aa80333d8903410fa439db5f6696";
+    hash = "sha256-ZiZ0HD4UNPJj1ZtoGroJRQBYeL/nwpp4B9GtXFcCA7M=";
     fetchSubmodules = true;
   };
 
diff --git a/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/unwrapped.nix b/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/unwrapped.nix
index 0d93c3d9b056..d7c6822049e5 100644
--- a/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/unwrapped.nix
+++ b/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/unwrapped.nix
@@ -42,14 +42,14 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "telegram-desktop-unwrapped";
-  version = "6.4.1";
+  version = "6.5.1";
 
   src = fetchFromGitHub {
     owner = "telegramdesktop";
     repo = "tdesktop";
     rev = "v${finalAttrs.version}";
     fetchSubmodules = true;
-    hash = "sha256-jmUj0kTyok5CsOe/to6bTN3jH/RMF7jE+AnFJi2nW90=";
+    hash = "sha256-y2sf2wDJ6dYxRdDLKIr78z9tPBIoh2WICg4zJBmb85Q=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/by-name/_6/_64gram/package.nix b/pkgs/by-name/_6/_64gram/package.nix
index d0e5002c6115..61861c856227 100644
--- a/pkgs/by-name/_6/_64gram/package.nix
+++ b/pkgs/by-name/_6/_64gram/package.nix
@@ -10,13 +10,13 @@ telegram-desktop.override {
   inherit withWebkit;
   unwrapped = telegram-desktop.unwrapped.overrideAttrs (old: rec {
     pname = "64gram-unwrapped";
-    version = "1.1.93";
+    version = "1.1.94";
 
     src = fetchFromGitHub {
       owner = "TDesktop-x64";
       repo = "tdesktop";
       tag = "v${version}";
-      hash = "sha256-AwzTmEaN6MsJNq1W+cyAbg+QkYrPaV2LXmt3NzKc/vQ=";
+      hash = "sha256-pMcG0B3YxrvvaLsC2yWJsm9wHpv5+xLtp+wQhRtJ38Q=";
       fetchSubmodules = true;
     };