diff --git a/pkgs/development/python-modules/lazr/config.nix b/pkgs/development/python-modules/lazr/config.nix
index b10ad25972b5..061a34820caf 100644
--- a/pkgs/development/python-modules/lazr/config.nix
+++ b/pkgs/development/python-modules/lazr/config.nix
@@ -1,13 +1,14 @@
 { buildPythonPackage, fetchPypi, lazr_delegates }:
 
 buildPythonPackage rec {
-  pname = "lazr.config";
+  pname = "lazr-config";
   version = "2.2.3";
 
   propagatedBuildInputs = [ lazr_delegates ];
 
   src = fetchPypi {
-    inherit pname version;
+    pname = "lazr.config";
+    inherit version;
     sha256 = "b74a73f8b63e6dc6732fc1f3d88e2f236596ddf089ef6e1794ece060e8cfabe1";
   };
 }
diff --git a/pkgs/servers/mail/mailman/package.nix b/pkgs/servers/mail/mailman/package.nix
index 47d09bff6717..955c553d8a74 100644
--- a/pkgs/servers/mail/mailman/package.nix
+++ b/pkgs/servers/mail/mailman/package.nix
@@ -29,7 +29,7 @@ buildPythonPackage rec {
     flufl_i18n
     flufl_lock
     gunicorn
-    lazr_config
+    lazr-config
     passlib
     requests
     sqlalchemy
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index 00f517bc5788..f13451b38d86 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -216,6 +216,7 @@ mapAliases ({
   Keras = keras; # added 2021-11-25
   ldap = python-ldap; # added 2022-09-16
   lammps-cython = throw "lammps-cython no longer builds and is unmaintained"; # added 2021-07-04
+  lazr_config = lazr-config; # added 2023-11-03
   lazy_imports = lazy-imports; # added 2023-10-13
   lektor = throw "lektor has been promoted to a top-level attribute"; # added 2023-08-01
   logilab_astng = throw "logilab-astng has not been released since 2013 and is unmaintained"; # added 2022-11-29
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index baf3d17e8991..75312f0425c7 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6038,7 +6038,7 @@ self: super: with self; {
 
   layoutparser = callPackage ../development/python-modules/layoutparser { };
 
-  lazr_config = callPackage ../development/python-modules/lazr/config.nix { };
+  lazr-config = callPackage ../development/python-modules/lazr/config.nix { };
 
   lazr_delegates = callPackage ../development/python-modules/lazr/delegates.nix { };