diff --git a/pkgs/by-name/si/signal-desktop-bin/signal-desktop-aarch64.nix b/pkgs/by-name/si/signal-desktop-bin/signal-desktop-aarch64.nix
index ff66f0d21c8e5..f13a40c87f29b 100644
--- a/pkgs/by-name/si/signal-desktop-bin/signal-desktop-aarch64.nix
+++ b/pkgs/by-name/si/signal-desktop-bin/signal-desktop-aarch64.nix
@@ -1,7 +1,7 @@
 { callPackage, commandLineArgs }:
 callPackage ./generic.nix { inherit commandLineArgs; } {
   pname = "signal-desktop-bin";
-  version = "7.59.0";
+  version = "7.64.0";
 
   libdir = "usr/lib64/signal-desktop";
   bindir = "usr/bin";
@@ -10,6 +10,6 @@ callPackage ./generic.nix { inherit commandLineArgs; } {
     bsdtar -xf $downloadedFile -C "$out"
   '';
 
-  url = "https://download.copr.fedorainfracloud.org/results/useidel/signal-desktop/fedora-42-aarch64/09213968-signal-desktop/signal-desktop-7.59.0-1.fc42.aarch64.rpm";
-  hash = "sha256-nGpSWlTJ1M6UL7V3o57KByfh55LL/p3I9h+XmoJhuec=";
+  url = "https://download.copr.fedorainfracloud.org/results/useidel/signal-desktop/fedora-42-aarch64/09358233-signal-desktop/signal-desktop-7.64.0-1.fc42.aarch64.rpm";
+  hash = "sha256-VWDw1eSYze23obCU/R4chesJvZZo1JbDGvR82Jg99og=";
 }
diff --git a/pkgs/by-name/si/signal-desktop-bin/signal-desktop-darwin.nix b/pkgs/by-name/si/signal-desktop-bin/signal-desktop-darwin.nix
index d4344a3a30e34..0f6235e4eae96 100644
--- a/pkgs/by-name/si/signal-desktop-bin/signal-desktop-darwin.nix
+++ b/pkgs/by-name/si/signal-desktop-bin/signal-desktop-darwin.nix
@@ -6,11 +6,11 @@
 }:
 stdenv.mkDerivation (finalAttrs: {
   pname = "signal-desktop-bin";
-  version = "7.59.0";
+  version = "7.64.0";
 
   src = fetchurl {
     url = "https://updates.signal.org/desktop/signal-desktop-mac-universal-${finalAttrs.version}.dmg";
-    hash = "sha256-maBZqSklxa1Vg3U6xbQxYx+McPTWa4WdBCKh4tq6W4g=";
+    hash = "sha256-Ir0p2M3P8bUNi16i4aGO8RmUD20mYKbVD+4twHEOMJc=";
   };
   sourceRoot = ".";
 
diff --git a/pkgs/by-name/si/signal-desktop-bin/signal-desktop.nix b/pkgs/by-name/si/signal-desktop-bin/signal-desktop.nix
index 32f8f782b0448..e6a4bd11bb3d7 100644
--- a/pkgs/by-name/si/signal-desktop-bin/signal-desktop.nix
+++ b/pkgs/by-name/si/signal-desktop-bin/signal-desktop.nix
@@ -1,12 +1,12 @@
 { callPackage, commandLineArgs }:
 callPackage ./generic.nix { inherit commandLineArgs; } rec {
   pname = "signal-desktop-bin";
-  version = "7.59.0";
+  version = "7.64.0";
 
   libdir = "opt/Signal";
   bindir = libdir;
   extractPkg = "dpkg-deb -x $downloadedFile $out";
 
   url = "https://updates.signal.org/desktop/apt/pool/s/signal-desktop/signal-desktop_${version}_amd64.deb";
-  hash = "sha256-SgTbV7KrGVdN87hgfjxamKikBxVHPIiaXAV2K3kljsU=";
+  hash = "sha256-3mibhZJpY/yo4RzZ6LQbI5xUlGgK6zGtB48Q8yDgflc=";
 }