diff --git a/pkgs/development/python-modules/tzdata/default.nix b/pkgs/development/python-modules/tzdata/default.nix
index 0772b73a15cb..7f1803d12c62 100644
--- a/pkgs/development/python-modules/tzdata/default.nix
+++ b/pkgs/development/python-modules/tzdata/default.nix
@@ -1,4 +1,11 @@
-{ lib, buildPythonPackage, fetchPypi }:
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pythonOlder
+, pytestCheckHook
+, pytest-subtests
+, importlib-resources
+}:
 
 buildPythonPackage rec {
   pname = "tzdata";
@@ -10,6 +17,11 @@ buildPythonPackage rec {
     sha256 = "sha256-4ZxzUfiHUioaxznSEEHlkt3ebdG3ZP3vqPeys1UdPTg=";
   };
 
+  checkInputs = [
+    pytestCheckHook
+    pytest-subtests
+  ] ++ lib.optional (pythonOlder "3.7") importlib-resources;
+
   pythonImportsCheck = [ "tzdata" ];
 
   meta = with lib; {