diff --git a/pkgs/development/python-modules/reuse/default.nix b/pkgs/development/python-modules/reuse/default.nix
index 5ef01b9dd974..e4a67829e0ba 100644
--- a/pkgs/development/python-modules/reuse/default.nix
+++ b/pkgs/development/python-modules/reuse/default.nix
@@ -3,37 +3,46 @@
   buildPythonPackage,
   fetchFromGitHub,
   poetry-core,
+
+  # dependencies
+  attrs,
   binaryornot,
   boolean-py,
   debian,
   jinja2,
   license-expression,
+  tomlkit,
+
+  # test dependencies
+  freezegun,
   pytestCheckHook,
 }:
 
 buildPythonPackage rec {
   pname = "reuse";
-  version = "3.0.2";
+  version = "4.0.2";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "fsfe";
     repo = "reuse-tool";
     rev = "refs/tags/v${version}";
-    hash = "sha256-ZYmQtJ503HDmu+Cd6IxOrCcOVH+CcFnFe3oe6PqvcE0=";
+    hash = "sha256-ajvQbDHQDzmEAmODVEXKH+Nsbud6V3RX1DRQ6SDEtm8=";
   };
 
   build-system = [ poetry-core ];
 
   dependencies = [
+    attrs
     binaryornot
     boolean-py
     debian
     jinja2
     license-expression
+    tomlkit
   ];
 
-  nativeCheckInputs = [ pytestCheckHook ];
+  nativeCheckInputs = [ pytestCheckHook freezegun ];
 
   disabledTestPaths = [
     # pytest wants to execute the actual source files for some reason, which fails with ImportPathMismatchError()