diff --git a/pkgs/development/python-modules/packet-python/default.nix b/pkgs/development/python-modules/packet-python/default.nix
index 5811d510dff..61d38759048 100644
--- a/pkgs/development/python-modules/packet-python/default.nix
+++ b/pkgs/development/python-modules/packet-python/default.nix
@@ -3,31 +3,31 @@
 , fetchPypi
 , requests
 , python
-, fetchpatch
+
+# For tests/setup.py
+, pytest
+, pytestrunner
+, requests-mock
 }:
 
 buildPythonPackage rec {
   pname = "packet-python";
-  version = "1.37.1";
+  version = "1.38.2";
   src = fetchPypi {
     inherit pname version;
-    sha256 = "316941d2473c0f42ac17ac89e9aa63a023bb96f35cf8eafe9e091ea424892778";
+    sha256 = "1lh97la51fa3nxjl4ngsanrxw6qq5jwwn0dxj2f0946m043200xl";
   };
+  nativeBuildInputs = [ pytestrunner ];
   propagatedBuildInputs = [ requests ];
-
-  checkPhase = ''
-    ${python.interpreter} -m unittest discover -s test
-  '';
-
-  patches = [
-    (fetchpatch {
-      url = https://github.com/packethost/packet-python/commit/361ad0c60d0bfce2a992eefd17e917f9dcf36400.patch;
-      sha256 = "1cmzyq0302y4cqmim6arnvn8n620qysq458g2w5aq4zj1vz1q9g1";
-    })
+  checkInputs = [
+    pytest
+    pytestrunner
+    requests-mock
   ];
 
-  # Not all test files are included in archive
-  doCheck = false;
+  checkPhase = ''
+    ${python.interpreter} setup.py test
+  '';
 
   meta = {
     description = "A Python client for the Packet API.";
@@ -35,4 +35,4 @@ buildPythonPackage rec {
     license     = lib.licenses.lgpl3;
     maintainers = with lib.maintainers; [ dipinhora ];
   };
-}
\ No newline at end of file
+}