diff --git a/pkgs/development/python-modules/setuptools_dso/default.nix b/pkgs/development/python-modules/setuptools-dso/default.nix
similarity index 89%
rename from pkgs/development/python-modules/setuptools_dso/default.nix
rename to pkgs/development/python-modules/setuptools-dso/default.nix
index 30fc6f7393b4..fe46b3ba30c8 100644
--- a/pkgs/development/python-modules/setuptools_dso/default.nix
+++ b/pkgs/development/python-modules/setuptools-dso/default.nix
@@ -6,12 +6,13 @@
 }:
 
 buildPythonPackage rec {
-  pname = "setuptools_dso";
+  pname = "setuptools-dso";
   version = "2.10";
   format = "pyproject";
 
   src = fetchPypi {
-    inherit pname version;
+    pname = "setuptools_dso";
+    inherit version;
     hash = "sha256-sjAZ9enOw3vF3zqXNbhu45SM5/sv2kIwfKC6SWJdG0Q=";
   };
 
diff --git a/pkgs/development/python-modules/tilequant/default.nix b/pkgs/development/python-modules/tilequant/default.nix
index 220f40354dcc..f70b84aa90a1 100644
--- a/pkgs/development/python-modules/tilequant/default.nix
+++ b/pkgs/development/python-modules/tilequant/default.nix
@@ -7,7 +7,7 @@
 , pythonRelaxDepsHook
 , pillow
 , sortedcollections
-, setuptools_dso
+, setuptools-dso
 }:
 
 buildPythonPackage rec {
@@ -35,7 +35,7 @@ buildPythonPackage rec {
     ordered-set
     pillow
     sortedcollections
-    setuptools_dso
+    setuptools-dso
   ];
 
   doCheck = false; # there are no tests
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index 96fccb3f3ecc..b0178cd4af52 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -462,6 +462,7 @@ mapAliases ({
   scikitlearn = scikit-learn; # added 2021-07-21
   selectors34 = throw "selectors34 has been removed: functionality provided by Python itself; archived by upstream."; # added 2021-06-10
   sequoia = throw "python3Packages.sequoia was replaced by pysequoia - built from a dedicated repository, with a new API."; # added 2023-06-24
+  setuptools_dso = setuptools-dso; # added 2024-03-03
   setuptools_scm = setuptools-scm; # added 2021-06-03
   setuptoolsTrial = setuptools-trial; # added 2023-11-11
   sharkiqpy = sharkiq; # added 2022-05-21
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index d856a94e0847..2300379ffba7 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -13448,7 +13448,7 @@ self: super: with self; {
 
   setuptools-declarative-requirements = callPackage ../development/python-modules/setuptools-declarative-requirements { };
 
-  setuptools_dso = callPackage ../development/python-modules/setuptools_dso { };
+  setuptools-dso = callPackage ../development/python-modules/setuptools-dso { };
 
   setuptools-generate = callPackage ../development/python-modules/setuptools-generate { };