diff --git a/pkgs/development/python-modules/jaraco-abode/default.nix b/pkgs/development/python-modules/jaraco-abode/default.nix
index eda1bd94c65c..b00d249d6a39 100644
--- a/pkgs/development/python-modules/jaraco-abode/default.nix
+++ b/pkgs/development/python-modules/jaraco-abode/default.nix
@@ -5,7 +5,7 @@
 , fetchFromGitHub
 , fetchPypi
 , importlib-resources
-, jaraco_classes
+, jaraco-classes
 , jaraco_collections
 , jaraco_itertools
 , jaraco-context
@@ -57,7 +57,7 @@ buildPythonPackage rec {
     requests-toolbelt
     jaraco_collections
     jaraco-context
-    jaraco_classes
+    jaraco-classes
     jaraco-net
     more-itertools
     importlib-resources
diff --git a/pkgs/development/python-modules/jaraco_classes/default.nix b/pkgs/development/python-modules/jaraco-classes/default.nix
similarity index 96%
rename from pkgs/development/python-modules/jaraco_classes/default.nix
rename to pkgs/development/python-modules/jaraco-classes/default.nix
index 5fd16f1f505a..8c9b32fb11ee 100644
--- a/pkgs/development/python-modules/jaraco_classes/default.nix
+++ b/pkgs/development/python-modules/jaraco-classes/default.nix
@@ -5,7 +5,7 @@
 }:
 
 buildPythonPackage rec {
-  pname = "jaraco.classes";
+  pname = "jaraco-classes";
   version = "3.1.1";
   disabled = isPy27;
 
diff --git a/pkgs/development/python-modules/jaraco_collections/default.nix b/pkgs/development/python-modules/jaraco_collections/default.nix
index 32b2a974d3bd..05cae411dc0f 100644
--- a/pkgs/development/python-modules/jaraco_collections/default.nix
+++ b/pkgs/development/python-modules/jaraco_collections/default.nix
@@ -3,7 +3,7 @@
 , fetchPypi
 , setuptools
 , setuptools-scm
-, jaraco_classes
+, jaraco-classes
 , jaraco_text
 }:
 
@@ -30,7 +30,7 @@ buildPythonPackage rec {
   env.SETUPTOOLS_SCM_PRETEND_VERSION = version;
 
   propagatedBuildInputs = [
-    jaraco_classes
+    jaraco-classes
     jaraco_text
   ];
 
diff --git a/pkgs/development/python-modules/keyring/default.nix b/pkgs/development/python-modules/keyring/default.nix
index f0989d493d9e..c729e1da5362 100644
--- a/pkgs/development/python-modules/keyring/default.nix
+++ b/pkgs/development/python-modules/keyring/default.nix
@@ -6,7 +6,7 @@
 , setuptools-scm
 , importlib-metadata
 , dbus-python
-, jaraco_classes
+, jaraco-classes
 , jeepney
 , secretstorage
 , pytestCheckHook
@@ -28,7 +28,7 @@ buildPythonPackage rec {
   ];
 
   propagatedBuildInputs = [
-    jaraco_classes
+    jaraco-classes
   ] ++ lib.optionals stdenv.isLinux [
     jeepney
     secretstorage
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index e6cd378e4be7..4ccb830c46de 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -154,7 +154,8 @@ mapAliases ({
   intreehook =  throw "intreehooks has been removed because it is obsolete as a backend-path key was added to PEP 517"; # added 2023-04-11
   ipaddress = throw "ipaddress has been removed because it is no longer required since python 2.7."; # added 2022-05-30
   influxgraph = throw "influxgraph has been removed because it is no longer maintained"; # added 2022-07-10
-  itanium_demangler = itanium-demangler; # added 2022-1017
+  itanium_demangler = itanium-demangler; # added 2022-10-17
+  jaraco_classes = jaraco-classes; # added 2023-07-14
   JayDeBeApi = jaydebeapi; # added 2023-02-19
   jinja2_time = jinja2-time; # added 2022-11-07
   JPype1 = jpype1; # added 2023-02-19
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index a94ab6135041..ddfe4e81eb6d 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5205,7 +5205,7 @@ self: super: with self; {
 
   jaraco-abode = callPackage ../development/python-modules/jaraco-abode { };
 
-  jaraco_classes = callPackage ../development/python-modules/jaraco_classes { };
+  jaraco-classes = callPackage ../development/python-modules/jaraco-classes { };
 
   jaraco_collections = callPackage ../development/python-modules/jaraco_collections { };