diff --git a/pkgs/development/python-modules/pytest-openfiles/default.nix b/pkgs/development/python-modules/pytest-openfiles/default.nix
new file mode 100644
index 000000000000..dbce114d7bf8
--- /dev/null
+++ b/pkgs/development/python-modules/pytest-openfiles/default.nix
@@ -0,0 +1,42 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pytest
+, psutil
+}:
+
+buildPythonPackage rec {
+  pname = "pytest-openfiles";
+  version = "0.3.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "e51c91889eb9e4c75f47735efc57a1435f3f1182463600ba7bce7f2556a46884";
+  };
+
+  propagatedBuildInputs = [
+    pytest
+    psutil
+  ];
+
+  checkInputs = [
+    pytest
+  ];
+
+  postConfigure = ''
+    # remove on next release
+    substituteInPlace setup.cfg \
+      --replace "[pytest]" "[tool:pytest]"
+  '';
+
+  checkPhase = ''
+    pytest
+  '';
+
+  meta = with lib; {
+    description = "Pytest plugin for detecting inadvertent open file handles";
+    homepage = https://astropy.org;
+    license = licenses.bsd3;
+    maintainers = [ maintainers.costrouc ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 2cc7a3426bd3..e5288b5f8e02 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1935,6 +1935,8 @@ in {
 
   pytest-mock = callPackage ../development/python-modules/pytest-mock { };
 
+  pytest-openfiles = callPackage ../development/python-modules/pytest-openfiles { };
+
   pytest-timeout = callPackage ../development/python-modules/pytest-timeout { };
 
   pytest-warnings = callPackage ../development/python-modules/pytest-warnings { };