diff --git a/pkgs/applications/networking/instant-messengers/discord/default.nix b/pkgs/applications/networking/instant-messengers/discord/default.nix
index 6288154f43a1..45ce7c3d1df1 100644
--- a/pkgs/applications/networking/instant-messengers/discord/default.nix
+++ b/pkgs/applications/networking/instant-messengers/discord/default.nix
@@ -2,7 +2,7 @@
 let
   versions = if stdenv.isLinux then {
     stable = "0.0.28";
-    ptb = "0.0.44";
+    ptb = "0.0.45";
     canary = "0.0.166";
     development = "0.0.217";
   } else {
@@ -20,7 +20,7 @@ let
       };
       ptb = fetchurl {
         url = "https://dl-ptb.discordapp.net/apps/linux/${version}/discord-ptb-${version}.tar.gz";
-        sha256 = "lehrB2jTvMKIDt7QWK/UAkrzYnW5pAP4LRHfIvGpnzA=";
+        sha256 = "cN70ZYl9hxWU5FSCpDbpOuR2Wsz6XtPSDoXOTvcCe7g=";
       };
       canary = fetchurl {
         url = "https://dl-canary.discordapp.net/apps/linux/${version}/discord-canary-${version}.tar.gz";