diff --git a/pkgs/development/python-modules/pur/default.nix b/pkgs/development/tools/pur/default.nix
similarity index 53%
rename from pkgs/development/python-modules/pur/default.nix
rename to pkgs/development/tools/pur/default.nix
index d2bc7d5824dc..dc37e3fa20f1 100644
--- a/pkgs/development/python-modules/pur/default.nix
+++ b/pkgs/development/tools/pur/default.nix
@@ -1,19 +1,27 @@
 { lib
-, buildPythonPackage
-, click
+, python3
 , fetchFromGitHub
-, pytestCheckHook
 }:
 
-buildPythonPackage rec {
+let
+  py = python3.override {
+    packageOverrides = self: super: {
+      # newest version doesn't support click >8.0 https://github.com/alanhamlett/pip-update-requirements/issues/38
+      click = self.callPackage ../../../development/python-modules/click/7.nix { };
+    };
+  };
+  inherit (py.pkgs) buildPythonApplication click pytestCheckHook;
+in
+
+buildPythonApplication rec {
   pname = "pur";
-  version = "5.4.1";
+  version = "5.4.2";
 
   src = fetchFromGitHub {
     owner = "alanhamlett";
     repo = "pip-update-requirements";
     rev = version;
-    sha256 = "sha256-a2wViLJW+UXgHcURxr4irFVkH8STH84AVcwQIkvH+Fg=";
+    sha256 = "sha256-coJO9AYm0Qx0arMf/e+pZFG/VxK6bnxxXRgw7x7V2hY=";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index da791f4ecad7..92672fef81a4 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -27369,6 +27369,8 @@ with pkgs;
 
   pika-backup = callPackage ../applications/backup/pika-backup { };
 
+  pur = callPackage ../development/tools/pur { };
+
   purple-discord = callPackage ../applications/networking/instant-messengers/pidgin-plugins/purple-discord { };
 
   purple-hangouts = callPackage ../applications/networking/instant-messengers/pidgin-plugins/purple-hangouts { };
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index 99874a26ece6..3b7be354942f 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -66,6 +66,7 @@ mapAliases ({
   privacyidea = throw "privacyidea has been renamed to pkgs.privacyidea"; # added 2021-06-20
   prometheus_client = prometheus-client; # added 2021-06-10
   prompt_toolkit = prompt-toolkit; # added 2021-07-22
+  pur = throw "pur has been renamed to pkgs.pur"; # added 2021-11-08
   pylibgen = throw "pylibgen is unmaintained upstreamed, and removed from nixpkgs"; # added 2020-06-20
   pymssql = throw "pymssql has been abandoned upstream."; # added 2020-05-04
   pysmart-smartx = pysmart; # added 2021-10-22
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 20200f9c71fb..ad0d4d0d3bb4 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6039,8 +6039,6 @@ in {
 
   pulsectl = callPackage ../development/python-modules/pulsectl { };
 
-  pur = callPackage ../development/python-modules/pur { };
-
   pure-cdb = callPackage ../development/python-modules/pure-cdb { };
 
   pure-eval = callPackage ../development/python-modules/pure-eval { };