diff --git a/pkgs/by-name/si/signal-desktop/signal-desktop.nix b/pkgs/by-name/si/signal-desktop/signal-desktop.nix
index 1313e69a3f8a..c16a4f7eb93c 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 = "7.38.0";
+  version = "7.40.0";
   url = "https://updates.signal.org/desktop/apt/pool/s/signal-desktop/signal-desktop_${version}_amd64.deb";
-  hash = "sha256-C5wzKhJcH2FJQJk5u2FGBrGDbezHBIIIUMkkVV6T8S4=";
+  hash = "sha256-XwiLxbcOMTXa5okXi7hj7vZ+6meabLSEIZOJvCVBNyY=";
 }