diff --git a/pkgs/by-name/si/signal-desktop/signal-desktop-darwin.nix b/pkgs/by-name/si/signal-desktop/signal-desktop-darwin.nix
index 304124fce8863..1e822d96cd28e 100644
--- a/pkgs/by-name/si/signal-desktop/signal-desktop-darwin.nix
+++ b/pkgs/by-name/si/signal-desktop/signal-desktop-darwin.nix
@@ -6,11 +6,11 @@
 }:
 stdenv.mkDerivation (finalAttrs: {
   pname = "signal-desktop";
-  version = "7.41.0";
+  version = "7.42.0";
 
   src = fetchurl {
     url = "https://updates.signal.org/desktop/signal-desktop-mac-universal-${finalAttrs.version}.dmg";
-    hash = "sha256-0nolZgoTlmfsAUWUXITTa1FzBHyfHWTZRO2LjccdjNg=";
+    hash = "sha256-N/BgLpEvpcl29+AN0zZDBGBwkYqYqjW953jfdwm5+/4=";
   };
   sourceRoot = ".";
 
diff --git a/pkgs/by-name/si/signal-desktop/signal-desktop.nix b/pkgs/by-name/si/signal-desktop/signal-desktop.nix
index 8d2e187c6f147..4a703e4e17d3e 100644
--- a/pkgs/by-name/si/signal-desktop/signal-desktop.nix
+++ b/pkgs/by-name/si/signal-desktop/signal-desktop.nix
@@ -2,7 +2,7 @@
 callPackage ./generic.nix { } rec {
   pname = "signal-desktop";
   dir = "Signal";
-  version = "7.41.0";
+  version = "7.42.0";
   url = "https://updates.signal.org/desktop/apt/pool/s/signal-desktop/signal-desktop_${version}_amd64.deb";
-  hash = "sha256-au0a//9P0dNDZnh1LzuHhpimWAzKRj5oJmUHls5mSxU=";
+  hash = "sha256-LuqE2SE6RurcwU5fl3uOJNtNZTBTR+xO2W6z98Gv53A=";
 }