diff --git a/pkgs/development/python-modules/Flask-PyMongo/default.nix b/pkgs/development/python-modules/Flask-PyMongo/default.nix
deleted file mode 100644
index bbbdc29d45f1..000000000000
--- a/pkgs/development/python-modules/Flask-PyMongo/default.nix
+++ /dev/null
@@ -1,36 +0,0 @@
-{ buildPythonPackage
-, fetchPypi
-, flask
-, pymongo
-, vcversioner
-, lib
-, pytest
-}:
-
-buildPythonPackage rec {
-  pname = "flask-pymongo";
-  version = "2.3.0";
-
-  src = fetchPypi {
-    pname = "Flask-PyMongo";
-    inherit version;
-    sha256 = "051kwdk07y4xm4yawcjhn6bz8swxp9nanv7jj35mz2l0r0nv03k2";
-  };
-
-  nativeCheckInputs = [ pytest ];
-
-  checkPhase = ''
-    pytest
-  '';
-
-  # Tests seem to hang
-  doCheck = false;
-
-  propagatedBuildInputs = [ flask pymongo vcversioner ];
-
-  meta = {
-    homepage = "https://flask-pymongo.readthedocs.org/";
-    description = "PyMongo support for Flask applications";
-    license = lib.licenses.bsd2;
-  };
-}
diff --git a/pkgs/development/python-modules/flask-pymongo/default.nix b/pkgs/development/python-modules/flask-pymongo/default.nix
new file mode 100644
index 000000000000..721de186417f
--- /dev/null
+++ b/pkgs/development/python-modules/flask-pymongo/default.nix
@@ -0,0 +1,49 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, setuptools
+, vcversioner
+, flask
+, pymongo
+, six
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "flask-pymongo";
+  version = "2.3.0";
+  pyproject = true;
+
+  src = fetchPypi {
+    pname = "Flask-PyMongo";
+    inherit version;
+    hash = "sha256-Yg6wLciAil/LkPJsq2y6nWv0l7FQMq48qZ34A2bjMxQ=";
+  };
+
+  nativeBuildInputs = [
+    setuptools
+    vcversioner
+  ];
+
+  propagatedBuildInputs = [
+    flask
+    pymongo
+    six
+  ];
+
+  pythonImportsCheck = [ "flask_pymongo" ];
+
+  nativeCheckInputs = [
+    pytestCheckHook
+  ];
+
+  # requires running MongoDB
+  doCheck = false;
+
+  meta = {
+    homepage = "https://github.com/dcrosta/flask-pymongo";
+    description = "PyMongo support for Flask applications";
+    license = lib.licenses.bsd2;
+    maintainers = [ ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 786da7f1598b..ba0fa8b767be 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4215,7 +4215,7 @@ self: super: with self; {
 
   flask-principal = callPackage ../development/python-modules/flask-principal { };
 
-  flask-pymongo = callPackage ../development/python-modules/Flask-PyMongo { };
+  flask-pymongo = callPackage ../development/python-modules/flask-pymongo { };
 
   flask-restful = callPackage ../development/python-modules/flask-restful { };