diff --git a/pkgs/applications/networking/instant-messengers/signal-desktop/signal-desktop.nix b/pkgs/applications/networking/instant-messengers/signal-desktop/signal-desktop.nix
index f4fbeb19ae6bd..e736d20fe4e49 100644
--- a/pkgs/applications/networking/instant-messengers/signal-desktop/signal-desktop.nix
+++ b/pkgs/applications/networking/instant-messengers/signal-desktop/signal-desktop.nix
@@ -2,7 +2,7 @@
 callPackage ./generic.nix { } rec {
   pname = "signal-desktop";
   dir = "Signal";
-  version = "7.19.0";
+  version = "7.21.0";
   url = "https://updates.signal.org/desktop/apt/pool/s/signal-desktop/signal-desktop_${version}_amd64.deb";
-  hash = "sha256-lO8GOCc/L4WO+aPR6qSn3HQlqeCB6t5pWAENRXOThdI=";
+  hash = "sha256-mjf27BISkvN9Xsi36EXtiSkvaPEc4j/Cwjlh4gkfdsA=";
 }