diff --git a/pkgs/by-name/si/signal-desktop/libsignal-node.nix b/pkgs/by-name/si/signal-desktop/libsignal-node.nix
index 3db9fbcefd72..4ab27f9f738a 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 = "0.86.16";
+  version = "0.87.1";
 
   src = fetchFromGitHub {
     owner = "signalapp";
     repo = "libsignal";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-rpZdT0nkOhdf9YFG5eDxSLQPv5CtUuX9+y6V7GxzvaA=";
+    hash = "sha256-yr2+yM7RmUQ7mNDMCcaM5cCpudof14JuO5J6D944k0U=";
   };
 
-  cargoHash = "sha256-TrsxEe4+qCBYK+6/YN3T/fD+m6U0Hor98M5sTpdFk7Q=";
+  cargoHash = "sha256-rqxp+RZuuT+nFudNeCgA8g04C9KT1Qi59K4b2avL5u4=";
 
   npmRoot = "node";
   npmDeps = fetchNpmDeps {
     name = "${finalAttrs.pname}-npm-deps";
     inherit (finalAttrs) version src;
     sourceRoot = "${finalAttrs.src.name}/${finalAttrs.npmRoot}";
-    hash = "sha256-0YimfYIKxlljERPnseQ8j3hpS1XPXINNhBnrAdnkEfM=";
+    hash = "sha256-dNAHAk7UxFQvbsGSnbw3Nb0N4UARflUWL1+OE3shZMU=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/by-name/si/signal-desktop/package.nix b/pkgs/by-name/si/signal-desktop/package.nix
index c5cd14cbb745..e2f1426fdf9c 100644
--- a/pkgs/by-name/si/signal-desktop/package.nix
+++ b/pkgs/by-name/si/signal-desktop/package.nix
@@ -1,11 +1,11 @@
 {
   stdenv,
   lib,
-  nodejs_22,
+  nodejs_24,
   pnpm_10,
   fetchPnpmDeps,
   pnpmConfigHook,
-  electron_39,
+  electron_40,
   python3,
   makeWrapper,
   callPackage,
@@ -23,9 +23,9 @@
   withAppleEmojis ? false,
 }:
 let
-  nodejs = nodejs_22;
+  nodejs = nodejs_24;
   pnpm = pnpm_10;
-  electron = electron_39;
+  electron = electron_40;
 
   libsignal-node = callPackage ./libsignal-node.nix { inherit nodejs; };
   signal-sqlcipher = callPackage ./signal-sqlcipher.nix { inherit pnpm nodejs; };
@@ -54,13 +54,13 @@ let
     '';
   });
 
-  version = "7.89.0";
+  version = "7.90.0";
 
   src = fetchFromGitHub {
     owner = "signalapp";
     repo = "Signal-Desktop";
     tag = "v${version}";
-    hash = "sha256-2/cmbNDeFqq+VtJvMIfC/Yg31Mc7AlH+TJGI2Vp+SuY=";
+    hash = "sha256-MkvIv9ohFtu4e3IK4hciWC32xiw18/kdm7pHEc436Bc=";
   };
 
   sticker-creator = stdenv.mkDerivation (finalAttrs: {
@@ -147,15 +147,15 @@ stdenv.mkDerivation (finalAttrs: {
     fetcherVersion = 1;
     hash =
       if withAppleEmojis then
-        "sha256-QBiKYgiSUoHOxr2jZv3DxP56/VMW8rAZzEQlMQDk2VA="
+        "sha256-sXDAAbrRFgOT+wRZqHAjEudmcUdBEbpkPWJpiB+MqDw="
       else
-        "sha256-ELbzV97TOGC3MLB/Cs5xk1MBPXXUYKAClji8oEiMP5Y=";
+        "sha256-uEXm4lFTJ7U9I/I1UiETy1fIHzAPP7tr9SsPQ5lWsFw=";
   };
 
   env = {
     ELECTRON_SKIP_BINARY_DOWNLOAD = "1";
     SIGNAL_ENV = "production";
-    SOURCE_DATE_EPOCH = 1770853842;
+    SOURCE_DATE_EPOCH = 1771441806;
   };
 
   preBuild = ''