diff --git a/pkgs/applications/office/watson/default.nix b/pkgs/applications/office/watson/default.nix
index 74e06d4311ce..ff458cedba10 100644
--- a/pkgs/applications/office/watson/default.nix
+++ b/pkgs/applications/office/watson/default.nix
@@ -1,6 +1,4 @@
-{ lib, fetchFromGitHub, pythonPackages, installShellFiles }:
-
-with pythonPackages;
+{ lib, fetchFromGitHub, python3, installShellFiles }:
 
 let
   # Watson is currently not compatible with Click 8. See the following
@@ -10,11 +8,12 @@ let
   # https://github.com/TailorDev/Watson/pull/432
   #
   # Workaround the issue by providing click 7 explicitly.
-  click7 = pythonPackages.callPackage ../../../development/python-modules/click/7.nix {};
-  click7-didyoumean = click-didyoumean.override {
-    click = click7;
+  python = python3.override {
+    packageOverrides = self: super: {
+      click = self.callPackage ../../../development/python-modules/click/7.nix { };
+    };
   };
-in buildPythonApplication rec {
+in with python.pkgs; buildPythonApplication rec {
   pname = "watson";
 
   # When you update Watson, please check whether the Click 7
@@ -34,7 +33,7 @@ in buildPythonApplication rec {
   '';
 
   checkInputs = [ pytestCheckHook pytest-mock mock pytest-datafiles ];
-  propagatedBuildInputs = [ arrow click7 click7-didyoumean requests ];
+  propagatedBuildInputs = [ arrow click click-didyoumean requests ];
   nativeBuildInputs = [ installShellFiles ];
 
   meta = with lib; {
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 5a0be5f8ff3f..173e30b00c11 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -28443,9 +28443,7 @@ with pkgs;
     imlib2 = imlib2-nox;
   };
 
-  watson = callPackage ../applications/office/watson {
-    pythonPackages = python3Packages;
-  };
+  watson = callPackage ../applications/office/watson { };
 
   wapiti = callPackage ../tools/security/wapiti { };