1 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix b/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
index b6f91f02f833..071f82a8cbec 100644
--- a/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
+++ b/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
@@ -14,7 +14,7 @@ in {
   stable = mkTelegram stableVersion;
   preview = mkTelegram (stableVersion // {
     stable = false;
-    version = "1.3.1";
-    sha256Hash = "084zrdx3w1yq53r53zjbqpz7s8fc3ga26ffwyfxj07ysmyn7ck25";
+    version = "1.3.4";
+    sha256Hash = "17xdzyl7jb5g69a2h6fyk67z7s6h2dqjg8j478px6n0br1n420wk";
   });
 }