diff --git a/pkgs/common-updater/nix-update.nix b/pkgs/common-updater/nix-update.nix
index bb547302b79a..269e1b6e6455 100644
--- a/pkgs/common-updater/nix-update.nix
+++ b/pkgs/common-updater/nix-update.nix
@@ -1,7 +1,7 @@
-{ nix-update }:
+{ lib, nix-update }:
 
-{ attrPath
-, extraArgs ? []
+{ attrPath ? null
+, extraArgs ? [ ]
 }:
 
-[ "${nix-update}/bin/nix-update" ] ++ extraArgs ++ [ attrPath ]
+[ "${nix-update}/bin/nix-update" ] ++ extraArgs ++ lib.optional (attrPath != null) attrPath
diff --git a/pkgs/shells/fish/default.nix b/pkgs/shells/fish/default.nix
index 4f53883cb77a..f391076900e4 100644
--- a/pkgs/shells/fish/default.nix
+++ b/pkgs/shells/fish/default.nix
@@ -327,7 +327,7 @@ let
             ${fish}/bin/fish ${fishScript} && touch $out
           '';
       };
-      updateScript = nix-update-script { attrPath = pname; };
+      updateScript = nix-update-script { };
     };
   };
 in
diff --git a/pkgs/tools/package-management/nix-update/default.nix b/pkgs/tools/package-management/nix-update/default.nix
index 45fbd7a6a1d7..8fa7ed61c53a 100644
--- a/pkgs/tools/package-management/nix-update/default.nix
+++ b/pkgs/tools/package-management/nix-update/default.nix
@@ -8,14 +8,14 @@
 
 buildPythonApplication rec {
   pname = "nix-update";
-  version = "0.11.0";
+  version = "0.12.0";
   format = "setuptools";
 
   src = fetchFromGitHub {
     owner = "Mic92";
     repo = pname;
     rev = version;
-    sha256 = "sha256-nBLNMQKLgx5m5VyxTdSLBE9kNhUPdaRzVi5BQx83m+4=";
+    sha256 = "sha256-7Co8mKG3eyM5WmGoAskyYleeutH4/kygSkvFpSg7Y04=";
   };
 
   makeWrapperArgs = [