diff --git a/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix b/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
index 071f82a8cbe..3e0e60594f8 100644
--- a/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
+++ b/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
@@ -4,8 +4,8 @@ let
   mkTelegram = args: qt5.callPackage (import ./generic.nix args) { };
   stableVersion = {
     stable = true;
-    version = "1.3.0";
-    sha256Hash = "1h5zcvd58bjm02b0rfb7fx1nx1gmzdlk1854lm6kg1hd6mqrrb0i";
+    version = "1.3.7";
+    sha256Hash = "1rwnqgla061icvyvw8gxqd7qki1jnq0f46hvyffp74ng5r1b6wjg";
     # svn log svn://svn.archlinux.org/community/telegram-desktop/trunk
     archPatchesRevision = "310557";
     archPatchesHash = "1v134dal3xiapgh3akfr61vh62j24m9vkb62kckwvap44iqb0hlk";
@@ -14,7 +14,5 @@ in {
   stable = mkTelegram stableVersion;
   preview = mkTelegram (stableVersion // {
     stable = false;
-    version = "1.3.4";
-    sha256Hash = "17xdzyl7jb5g69a2h6fyk67z7s6h2dqjg8j478px6n0br1n420wk";
   });
 }