diff --git a/pkgs/development/python-modules/multi_key_dict/default.nix b/pkgs/development/python-modules/multi-key-dict/default.nix
similarity index 81%
rename from pkgs/development/python-modules/multi_key_dict/default.nix
rename to pkgs/development/python-modules/multi-key-dict/default.nix
index cb539e4dd90f..0a53aad3c653 100644
--- a/pkgs/development/python-modules/multi_key_dict/default.nix
+++ b/pkgs/development/python-modules/multi-key-dict/default.nix
@@ -4,11 +4,12 @@
 }:
 
 buildPythonPackage rec {
-  pname = "multi_key_dict";
+  pname = "multi-key-dict";
   version = "2.0.3";
 
   src = fetchPypi {
-    inherit pname version;
+    pname = "multi_key_dict";
+    inherit version;
     sha256 = "17lkx4rf4waglwbhc31aak0f28c63zl3gx5k5i1iq2m3gb0xxsyy";
   };
 
diff --git a/pkgs/development/python-modules/python-jenkins/default.nix b/pkgs/development/python-modules/python-jenkins/default.nix
index af0671279ab1..674ca539c701 100644
--- a/pkgs/development/python-modules/python-jenkins/default.nix
+++ b/pkgs/development/python-modules/python-jenkins/default.nix
@@ -7,7 +7,7 @@
 , pyyaml
 , setuptools
 , six
-, multi_key_dict
+, multi-key-dict
 , testscenarios
 , requests
 , requests-mock
@@ -40,7 +40,7 @@ buildPythonPackage rec {
   ];
 
   buildInputs = [ mock ];
-  propagatedBuildInputs = [ pbr pyyaml setuptools six multi_key_dict requests ];
+  propagatedBuildInputs = [ pbr pyyaml setuptools six multi-key-dict requests ];
 
   __darwinAllowLocalNetworking = true;
 
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index 39577ac30411..f75a8bca043a 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -238,6 +238,7 @@ mapAliases ({
   mistune_2_0 = mistune; # added 2022-08-12
   mox = throw "mox was removed because it is unmaintained"; # added 2023-02-21
   mrkd = throw "mrkd has been promoted to a top-level attribute"; # added 2023-08-01
+  multi_key_dict = multi-key-dict; # added 2023-11-05
   mutmut = throw "mutmut has been promoted to a top-level attribute"; # added 2022-10-02
   net2grid = gridnet; # add 2022-04-22
   nghttp2 = throw "in 1.52.0 removed deprecated python bindings."; # added 2023-06-08
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 0bd217ad4ee1..e2473d1fbcbe 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -7095,7 +7095,7 @@ self: super: with self; {
 
   multidict = callPackage ../development/python-modules/multidict { };
 
-  multi_key_dict = callPackage ../development/python-modules/multi_key_dict { };
+  multi-key-dict = callPackage ../development/python-modules/multi-key-dict { };
 
   multimethod = callPackage ../development/python-modules/multimethod { };