diff --git a/pkgs/by-name/si/signal-desktop/libsignal-node.nix b/pkgs/by-name/si/signal-desktop/libsignal-node.nix
index 3d2aee9a4498..3c61ab703de1 100644
--- a/pkgs/by-name/si/signal-desktop/libsignal-node.nix
+++ b/pkgs/by-name/si/signal-desktop/libsignal-node.nix
@@ -24,23 +24,23 @@ let
 in
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "libsignal-node";
-  version = "0.72.1";
+  version = "0.74.1";
 
   src = fetchFromGitHub {
     owner = "signalapp";
     repo = "libsignal";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-A8EAHHcBFSD4ZlvFig64g4+eoZQCuqE/qv509hA3I4s=";
+    hash = "sha256-ZMi+/d051CS7TcWVZnVItNpok0ac+vAvvZL/buNrtL0=";
   };
   useFetchCargoVendor = true;
-  cargoHash = "sha256-+vJrywIi/RcGGGns42XlN6S63RBil3fB4XByTLsaFVc=";
+  cargoHash = "sha256-pRMFWJSRjhZYfX7dmOQXK3BjhJKzPR1Pg+TZzTfPnd4=";
 
   npmRoot = "node";
   npmDeps = fetchNpmDeps {
     name = "${finalAttrs.pname}-npm-deps";
     inherit (finalAttrs) version src;
     sourceRoot = "${finalAttrs.src.name}/${finalAttrs.npmRoot}";
-    hash = "sha256-ZD0ZN2b7KReGbnvarqvGpOlQ5TsJfnaHmmOWQ42Y48E=";
+    hash = "sha256-9x1oCzZLBeX0AN+R4qcyBNwsJ/AY6mebCEEfQ5JKpl8=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/by-name/si/signal-desktop/package.nix b/pkgs/by-name/si/signal-desktop/package.nix
index 65bfd38acbf4..9045fb74a423 100644
--- a/pkgs/by-name/si/signal-desktop/package.nix
+++ b/pkgs/by-name/si/signal-desktop/package.nix
@@ -52,13 +52,13 @@ let
     '';
   });
 
-  version = "7.58.0";
+  version = "7.59.0";
 
   src = fetchFromGitHub {
     owner = "signalapp";
     repo = "Signal-Desktop";
     tag = "v${version}";
-    hash = "sha256-0WO4cjbZLVaf/ju7PdfZJKOa7qGXsjWZHGY8lxOvr3w=";
+    hash = "sha256-Brvr4SQ2TzAqrvXm9C7a1ejaP4kviJoQhgRBP3R3dIg=";
   };
 
   sticker-creator = stdenv.mkDerivation (finalAttrs: {
@@ -120,15 +120,15 @@ stdenv.mkDerivation (finalAttrs: {
       ;
     hash =
       if withAppleEmojis then
-        "sha256-h2yaGRqAtVh/8Jv+YZAcXw3/b8+fi+cKFSqcRhMH2sM="
+        "sha256-mVC7dOsBcBrOEuz7t4xMv1QX2ZgfA5EjnRYunZEx73E="
       else
-        "sha256-1dkJBIQVJxpsd8IQIlRncDYHp+2j0fowlbEEWpQSPtI=";
+        "sha256-9hvqLZGSrzJD5vMTdHoIpDeRM6fu2JSRNdHgyeSWmDY=";
   };
 
   env = {
     ELECTRON_SKIP_BINARY_DOWNLOAD = "1";
     SIGNAL_ENV = "production";
-    SOURCE_DATE_EPOCH = 1750276003;
+    SOURCE_DATE_EPOCH = 1750885921;
   };
 
   preBuild = ''