diff --git a/pkgs/by-name/li/libsignal-ffi/package.nix b/pkgs/by-name/li/libsignal-ffi/package.nix
index 5776b96aed81..ccbe6862a525 100644
--- a/pkgs/by-name/li/libsignal-ffi/package.nix
+++ b/pkgs/by-name/li/libsignal-ffi/package.nix
@@ -21,14 +21,14 @@ rustPlatform.buildRustPackage (finalAttrs: {
   pname = "libsignal-ffi";
   # must match the version used in mautrix-signal
   # see https://github.com/mautrix/signal/issues/401
-  version = "0.86.12";
+  version = "0.87.1";
 
   src = fetchFromGitHub {
     fetchSubmodules = true;
     owner = "signalapp";
     repo = "libsignal";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-XVq1fvhUF0WqSs1lJRCBRuhOW4idY6Nm21UdX4/6TE8=";
+    hash = "sha256-yr2+yM7RmUQ7mNDMCcaM5cCpudof14JuO5J6D944k0U=";
   };
 
   nativeBuildInputs = [
@@ -40,7 +40,7 @@ rustPlatform.buildRustPackage (finalAttrs: {
   env.BORING_BSSL_PATH = "${boringssl-wrapper}";
   env.NIX_LDFLAGS = if stdenv.hostPlatform.isDarwin then "-lc++" else "-lstdc++";
 
-  cargoHash = "sha256-vat7vjL9HDY/m7CLUJNpU3NZ79nCVHxLO5tEtaEDBnE=";
+  cargoHash = "sha256-rqxp+RZuuT+nFudNeCgA8g04C9KT1Qi59K4b2avL5u4=";
 
   cargoBuildFlags = [
     "-p"
diff --git a/pkgs/by-name/ma/mautrix-signal/package.nix b/pkgs/by-name/ma/mautrix-signal/package.nix
index fbe14a54991c..8d05f31cf4ac 100644
--- a/pkgs/by-name/ma/mautrix-signal/package.nix
+++ b/pkgs/by-name/ma/mautrix-signal/package.nix
@@ -20,14 +20,14 @@ let
 in
 buildGoModule rec {
   pname = "mautrix-signal";
-  version = "26.01";
-  tag = "v0.2601.0";
+  version = "26.02";
+  tag = "v0.2602.0";
 
   src = fetchFromGitHub {
     owner = "mautrix";
     repo = "signal";
     inherit tag;
-    hash = "sha256-zvB0CbSzrLcUJiEIj3vtDq2C0XEYUNRbaUAn+636+uk=";
+    hash = "sha256-FWFAH+jtPdLG9vJS4QXpFjsGWUzILW17WRFyfdnFlAE=";
   };
 
   buildInputs =
@@ -44,7 +44,7 @@ buildGoModule rec {
 
   CGO_LDFLAGS = lib.optional withGoolm [ cppStdLib ];
 
-  vendorHash = "sha256-Eo7T/63ywNnn/t0RzjwkSYRmrL0IMdIsv4wqrQFv+5U=";
+  vendorHash = "sha256-TFz5P8czj8J9+QTFHjffCldw8Je2+DiM49W7jv5rY/I=";
 
   ldflags = [
     "-X"