diff --git a/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix b/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
index 9b14ac6f2c3c..56bf7ee078db 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 = "1.4.0";
-    sha256Hash = "1zlsvbk9vgsqwplcswh2q0mqjdqf5md1043paab02wy3qg2x37d8";
+    version = "1.4.2";
+    sha256Hash = "025qld597b6x7wbf1y1qpcsz0brpf3qsqj650mq9fpps1yi1vfk7";
     # svn log svn://svn.archlinux.org/community/telegram-desktop/trunk
     archPatchesRevision = "388730";
     archPatchesHash = "1gvisz36bc6bl4zcpjyyk0a2dl6ixp65an8wgm2lkc9mhkl783q7";