diff --git a/pkgs/applications/networking/instant-messengers/signal-desktop/default.nix b/pkgs/applications/networking/instant-messengers/signal-desktop/default.nix
index d524be287cd..479b89bcecb 100644
--- a/pkgs/applications/networking/instant-messengers/signal-desktop/default.nix
+++ b/pkgs/applications/networking/instant-messengers/signal-desktop/default.nix
@@ -40,13 +40,13 @@ in
   stdenv.mkDerivation rec {
     name = "signal-desktop-${version}";
 
-    version = "1.7.1";
+    version = "1.9.0";
 
     src =
       if stdenv.system == "x86_64-linux" then
         fetchurl {
           url = "https://updates.signal.org/desktop/apt/pool/main/s/signal-desktop/signal-desktop_${version}_amd64.deb";
-          sha256 = "02zx8ynbvvs260mrvqbsg0fi561da4ni3i9f4bjh53vqn92vhvvq";
+          sha256 = "18i9chyarpcw369rqyldckkln1lxy5g9qy9f5gy5gsz9y5qngxqa";
         }
       else
         throw "Signal for Desktop is not currently supported on ${stdenv.system}";
@@ -81,7 +81,7 @@ in
       description = "Signal Private Messenger for the Desktop.";
       homepage    = https://signal.org/;
       license     = lib.licenses.gpl3;
-      maintainers = [ lib.maintainers.ixmatus ];
+      maintainers = with lib.maintainers; [ ixmatus primeos ];
       platforms   = [
         "x86_64-linux"
       ];