diff --git a/pkgs/development/python-modules/sabctools/default.nix b/pkgs/development/python-modules/sabctools/default.nix
index d20ea7318620..9dad229707b5 100644
--- a/pkgs/development/python-modules/sabctools/default.nix
+++ b/pkgs/development/python-modules/sabctools/default.nix
@@ -6,12 +6,12 @@
 }:
 buildPythonPackage rec {
   pname = "sabctools";
-  version = "7.1.2"; # needs to match version sabnzbd expects, e.g. https://github.com/sabnzbd/sabnzbd/blob/4.0.x/requirements.txt#L3
+  version = "8.1.0"; # needs to match version sabnzbd expects, e.g. https://github.com/sabnzbd/sabnzbd/blob/4.0.x/requirements.txt#L3
   format = "setuptools";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-wDgFXuxclmqMlRXyr9qpruJJcOXfOiOWTZXX53uYEB8=";
+    hash = "sha256-PYfbmR9wT3SHT+oFyQF2F13g7FgdvY/l9p0D65c/+RU=";
   };
 
   pythonImportsCheck = ["sabctools"];
diff --git a/pkgs/servers/sabnzbd/default.nix b/pkgs/servers/sabnzbd/default.nix
index 96b183c2fe73..efc0f64f3583 100644
--- a/pkgs/servers/sabnzbd/default.nix
+++ b/pkgs/servers/sabnzbd/default.nix
@@ -47,14 +47,14 @@ let
   ]);
   path = lib.makeBinPath [ coreutils par2cmdline unrar unzip p7zip util-linux ];
 in stdenv.mkDerivation rec {
-  version = "4.1.0";
+  version = "4.2.0";
   pname = "sabnzbd";
 
   src = fetchFromGitHub {
     owner = pname;
     repo = pname;
     rev = version;
-    sha256 = "sha256-FN2BKvO9ToTvGdYqgv0wMSPgshMrVybDs9wsBo8MkII=";
+    sha256 = "sha256-ub8CwFcmxfsfhR45M5lVZvCHyzN/7CK4ElS4Q0U4qu8=";
   };
 
   nativeBuildInputs = [ makeWrapper ];