diff --git a/pkgs/applications/networking/instant-messengers/signal-desktop/default.nix b/pkgs/applications/networking/instant-messengers/signal-desktop/default.nix
index 3c2109f14c5..ca6ee04d370 100644
--- a/pkgs/applications/networking/instant-messengers/signal-desktop/default.nix
+++ b/pkgs/applications/networking/instant-messengers/signal-desktop/default.nix
@@ -56,11 +56,11 @@ let
 
 in stdenv.mkDerivation rec {
   name = "signal-desktop-${version}";
-  version = "1.17.2";
+  version = "1.17.3";
 
   src = fetchurl {
     url = "https://updates.signal.org/desktop/apt/pool/main/s/signal-desktop/signal-desktop_${version}_amd64.deb";
-    sha256 = "1ibci07w4dh7r0dkwb3nbqm470rgak2a98rlqf8390rxrinfli3p";
+    sha256 = "1k0gj24562jfj748s7qcn1f7brr1c0zn2dppxvfv2ka2r2n0z1h4";
   };
 
   phases = [ "unpackPhase" "installPhase" ];