diff --git a/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix b/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
index 50a0d6db227..59e7c0c2dd9 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 = "1.3.0";
-    sha256Hash = "1h5zcvd58bjm02b0rfb7fx1nx1gmzdlk1854lm6kg1hd6mqrrb0i";
+    version = "1.3.1";
+    sha256Hash = "084zrdx3w1yq53r53zjbqpz7s8fc3ga26ffwyfxj07ysmyn7ck25";
   });
 }