diff --git a/pkgs/by-name/li/libtorrent/package.nix b/pkgs/by-name/li/libtorrent/package.nix
index 3faae47e02ce..1b5ff8e0c9d3 100644
--- a/pkgs/by-name/li/libtorrent/package.nix
+++ b/pkgs/by-name/li/libtorrent/package.nix
@@ -7,7 +7,6 @@
   autoconf-archive,
   autoreconfHook,
   cppunit,
-  libsigcxx,
   openssl,
   pkg-config,
   zlib,
@@ -16,13 +15,13 @@
 
 stdenv.mkDerivation rec {
   pname = "rakshasa-libtorrent";
-  version = "0.15.0";
+  version = "0.15.1";
 
   src = fetchFromGitHub {
     owner = "rakshasa";
     repo = "libtorrent";
     rev = "v${version}";
-    hash = "sha256-FtuVDXH9vIdz+Wz7PLY2lRZkR+j9NYmgaHPDDx2SA98=";
+    hash = "sha256-ejDne7vaV+GYP6M0n3VAEva4UHuxRGwfc2rgxf7U/EM=";
   };
 
   nativeBuildInputs = [
@@ -33,7 +32,6 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     cppunit
-    libsigcxx
     openssl
     zlib
   ];
diff --git a/pkgs/by-name/rt/rtorrent/package.nix b/pkgs/by-name/rt/rtorrent/package.nix
index ed5866a666b9..60fc441ae999 100644
--- a/pkgs/by-name/rt/rtorrent/package.nix
+++ b/pkgs/by-name/rt/rtorrent/package.nix
@@ -15,18 +15,18 @@
   pkg-config,
   zlib,
   nixosTests,
-  unstableGitUpdater,
+  gitUpdater,
 }:
 
 stdenv.mkDerivation rec {
   pname = "rakshasa-rtorrent";
-  version = "0.10.0-unstable-2024-12-15";
+  version = "0.15.1";
 
   src = fetchFromGitHub {
     owner = "rakshasa";
     repo = "rtorrent";
-    rev = "b8cb828d963719565528573123bb08b72cd50928";
-    hash = "sha256-nvyRRmZRdyRAazGAFqHDK+zME9bSkp+LwW9Na4M8+L0=";
+    rev = "68fdb86c723a0ae67ebaffec416af99fec41dcbc";
+    hash = "sha256-/GWC28LsY7GcUH+SBzi01sOWVfA1lyM0r9OdUDTYbT8=";
   };
 
   outputs = [
@@ -61,7 +61,7 @@ stdenv.mkDerivation rec {
   ];
 
   passthru = {
-    updateScript = unstableGitUpdater { tagPrefix = "v"; };
+    updateScript = gitUpdater { rev-prefix = "v"; };
     tests = {
       inherit (nixosTests) rtorrent;
     };