diff --git a/pkgs/applications/networking/instant-messengers/discord/default.nix b/pkgs/applications/networking/instant-messengers/discord/default.nix
index 385d04422420..2bbf18b45f1c 100644
--- a/pkgs/applications/networking/instant-messengers/discord/default.nix
+++ b/pkgs/applications/networking/instant-messengers/discord/default.nix
@@ -17,7 +17,7 @@ let
     else
       {
         stable = "0.0.350";
-        ptb = "0.0.174";
+        ptb = "0.0.179";
         canary = "0.0.793";
         development = "0.0.88";
       };
@@ -48,7 +48,7 @@ let
       };
       ptb = fetchurl {
         url = "https://ptb.dl2.discordapp.net/apps/osx/${version}/DiscordPTB.dmg";
-        hash = "sha256-/suI1rVJZE1z8wLfiD65p7IdBJsJnz8zX1A2xmMMDnc=";
+        hash = "sha256-tGE7HAcWLpGlv5oXO7NEELdRtNfbhlpQeNc5zB7ba1A=";
       };
       canary = fetchurl {
         url = "https://canary.dl2.discordapp.net/apps/osx/${version}/DiscordCanary.dmg";