diff --git a/pkgs/development/python-modules/dvc/default.nix b/pkgs/development/python-modules/dvc/default.nix
index b4cad5f2b206b..bdb86f445373a 100644
--- a/pkgs/development/python-modules/dvc/default.nix
+++ b/pkgs/development/python-modules/dvc/default.nix
@@ -19,7 +19,7 @@
 , fetchFromGitHub
 , fetchpatch
 , flatten-dict
-, flufl_lock
+, flufl-lock
 , funcy
 , grandalf
 , gto
@@ -99,7 +99,7 @@ buildPythonPackage rec {
     dvc-studio-client
     dvc-task
     flatten-dict
-    flufl_lock
+    flufl-lock
     funcy
     grandalf
     gto
diff --git a/pkgs/development/python-modules/flufl/bounce.nix b/pkgs/development/python-modules/flufl/bounce.nix
index 81d2d4840cf13..7c6738bc3cd65 100644
--- a/pkgs/development/python-modules/flufl/bounce.nix
+++ b/pkgs/development/python-modules/flufl/bounce.nix
@@ -1,14 +1,49 @@
-{ buildPythonPackage, fetchPypi, atpublic, zope-interface, nose2 }:
+{ lib
+, buildPythonPackage
+, fetchPypi
+, setuptools
+, atpublic
+, zope-interface
+, pytestCheckHook
+}:
 
 buildPythonPackage rec {
-  pname = "flufl.bounce";
+  pname = "flufl-bounce";
   version = "4.0";
-
-  buildInputs = [ nose2 ];
-  propagatedBuildInputs = [ atpublic zope-interface ];
+  pyproject = true;
 
   src = fetchPypi {
-    inherit pname version;
+    pname = "flufl.bounce";
+    inherit version;
     hash = "sha256-JVBK65duwP5aGc1sQTo0EMtRT9zb3Kn5tdjTQ6hgODE=";
   };
+
+  nativeBuildInputs = [
+    setuptools
+  ];
+
+  propagatedBuildInputs = [
+    atpublic
+    zope-interface
+  ];
+
+  nativeCheckInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "flufl.bounce"
+  ];
+
+  pythonNamespaces = [
+    "flufl"
+  ];
+
+  meta = with lib; {
+    description = "Email bounce detectors";
+    homepage = "https://gitlab.com/warsaw/flufl.bounce";
+    changelog = "https://gitlab.com/warsaw/flufl.bounce/-/blob/${version}/flufl/bounce/NEWS.rst";
+    maintainers = with maintainers; [ ];
+    license = licenses.asl20;
+  };
 }
diff --git a/pkgs/development/python-modules/flufl/i18n.nix b/pkgs/development/python-modules/flufl/i18n.nix
index 57a33e233cf60..bd5bcb62fe6c7 100644
--- a/pkgs/development/python-modules/flufl/i18n.nix
+++ b/pkgs/development/python-modules/flufl/i18n.nix
@@ -1,26 +1,45 @@
 { lib
 , buildPythonPackage
 , fetchPypi
+, pythonOlder
 , atpublic
 , pdm-pep517
+, pytestCheckHook
+, sybil
 }:
 
 buildPythonPackage rec {
-  pname = "flufl.i18n";
+  pname = "flufl-i18n";
   version = "4.1.1";
-  format = "pyproject";
+  pyproject = true;
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    pname = "flufl.i18n";
+    inherit version;
+    hash = "sha256-wKz6aggkJ9YBJ+o75XjC4Ddnn+Zi9hlYDnliwTc7DNs=";
+  };
+
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace "--cov=flufl --cov-report=term --cov-report=xml" ""
+  '';
 
   nativeBuildInputs = [ pdm-pep517 ];
-  propagatedBuildInputs = [ atpublic ];
 
-  doCheck = false;
+  propagatedBuildInputs = [ atpublic ];
 
   pythonImportsCheck = [ "flufl.i18n" ];
 
-  src = fetchPypi {
-    inherit pname version;
-    hash = "sha256-wKz6aggkJ9YBJ+o75XjC4Ddnn+Zi9hlYDnliwTc7DNs=";
-  };
+  nativeCheckInputs = [
+    pytestCheckHook
+    sybil
+  ];
+
+  pythonNamespaces = [
+    "flufl"
+  ];
 
   meta = with lib; {
     description = "A high level API for internationalizing Python libraries and applications";
diff --git a/pkgs/development/python-modules/flufl/lock.nix b/pkgs/development/python-modules/flufl/lock.nix
index 1b4a575e760a5..8a3e391fee15d 100644
--- a/pkgs/development/python-modules/flufl/lock.nix
+++ b/pkgs/development/python-modules/flufl/lock.nix
@@ -1,15 +1,18 @@
-{ lib, buildPythonPackage, fetchPypi, pytestCheckHook
+{ lib, buildPythonPackage, fetchPypi, pytestCheckHook, pythonOlder
 , atpublic, psutil, pytest-cov, sybil
 , pdm-pep517
 }:
 
 buildPythonPackage rec {
-  pname = "flufl.lock";
+  pname = "flufl-lock";
   version = "7.1.1";
-  format = "pyproject";
+  pyproject = true;
+
+  disabled = pythonOlder "3.7";
 
   src = fetchPypi {
-    inherit pname version;
+    pname = "flufl.lock";
+    inherit version;
     hash = "sha256-rxQXKzW7xYaHvQa3DRaT/Y1Iy/D/3n5RphjBSK4kBC0=";
   };
 
@@ -22,11 +25,19 @@ buildPythonPackage rec {
   # relevant to the user.
   pytestFlagsArray = [ "--no-cov" ];
 
+  pythonImportsCheck = [
+    "flufl.lock"
+  ];
+
+  pythonNamespaces = [
+    "flufl"
+  ];
+
   meta = with lib; {
     homepage = "https://flufllock.readthedocs.io/";
     description = "NFS-safe file locking with timeouts for POSIX and Windows";
+    changelog = "https://gitlab.com/warsaw/flufl.lock/-/blob/${version}/docs/NEWS.rst";
     maintainers = with maintainers; [ qyliss ];
     license = licenses.asl20;
-    platforms = platforms.all;
   };
 }
diff --git a/pkgs/servers/mail/mailman/hyperkitty.nix b/pkgs/servers/mail/mailman/hyperkitty.nix
index 89195e5937376..52c7497f5a6d3 100644
--- a/pkgs/servers/mail/mailman/hyperkitty.nix
+++ b/pkgs/servers/mail/mailman/hyperkitty.nix
@@ -30,7 +30,7 @@ buildPythonPackage rec {
     django-compressor
     django-extensions
     djangorestframework
-    flufl_lock
+    flufl-lock
     mistune
     networkx
     psycopg2
diff --git a/pkgs/servers/mail/mailman/package.nix b/pkgs/servers/mail/mailman/package.nix
index f38a182461acc..9a082040c96c1 100644
--- a/pkgs/servers/mail/mailman/package.nix
+++ b/pkgs/servers/mail/mailman/package.nix
@@ -26,9 +26,9 @@ buildPythonPackage rec {
     click
     dnspython
     falcon
-    flufl_bounce
-    flufl_i18n
-    flufl_lock
+    flufl-bounce
+    flufl-i18n
+    flufl-lock
     gunicorn
     lazr-config
     passlib
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index c6bbb79ce3677..3cb2e13185313 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -165,6 +165,9 @@ mapAliases ({
   flask_testing = flask-testing; # added 2022-04-25
   flask_wtf = flask-wtf; # added 2022-05-24
   flowlogs_reader = flowlogs-reader; # added 2024-01-03
+  flufl_bounce = flufl-bounce; # added 2023-11-03
+  flufl_i18n = flufl-i18n; # added 2023-11-03
+  flufl_lock = flufl-lock; # added 2023-11-03
   FormEncode = formencode; # added 2023-02-19
   foundationdb51 = throw "foundationdb51 is no longer maintained, use foundationdb71 instead"; # added 2023-06-06
   foundationdb52 = throw "foundationdb52 is no longer maintained, use foundationdb71 instead"; # added 2023-06-06
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index f06c38f06d89e..04e17572a7eda 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4257,11 +4257,11 @@ self: super: with self; {
 
   fluent-logger = callPackage ../development/python-modules/fluent-logger { };
 
-  flufl_bounce = callPackage ../development/python-modules/flufl/bounce.nix { };
+  flufl-bounce = callPackage ../development/python-modules/flufl/bounce.nix { };
 
-  flufl_i18n = callPackage ../development/python-modules/flufl/i18n.nix { };
+  flufl-i18n = callPackage ../development/python-modules/flufl/i18n.nix { };
 
-  flufl_lock = callPackage ../development/python-modules/flufl/lock.nix { };
+  flufl-lock = callPackage ../development/python-modules/flufl/lock.nix { };
 
   flux-led = callPackage ../development/python-modules/flux-led { };