diff --git a/pkgs/development/python-modules/apache-airflow/providers.nix b/pkgs/development/python-modules/apache-airflow/providers.nix
index 62bc91d3cb5..5a7a464be78 100644
--- a/pkgs/development/python-modules/apache-airflow/providers.nix
+++ b/pkgs/development/python-modules/apache-airflow/providers.nix
@@ -129,7 +129,7 @@
     imports = [ "airflow.providers.ftp.hooks.ftp" ];
   };
   github = {
-    deps = [ "PyGithub" ];
+    deps = [ "pygithub" ];
     imports = [ "airflow.providers.github.hooks.github" "airflow.providers.github.operators.github" ];
   };
   google = {
diff --git a/pkgs/development/python-modules/brelpy/default.nix b/pkgs/development/python-modules/brelpy/default.nix
index 66d611f5e93..26af53f10dd 100644
--- a/pkgs/development/python-modules/brelpy/default.nix
+++ b/pkgs/development/python-modules/brelpy/default.nix
@@ -2,7 +2,7 @@
 , buildPythonPackage
 , fetchPypi
 , pycryptodome
-, PyGithub
+, pygithub
 , pythonOlder
 }:
 
diff --git a/pkgs/development/python-modules/criticality-score/default.nix b/pkgs/development/python-modules/criticality-score/default.nix
index 6b3348472a4..aba7a16df58 100644
--- a/pkgs/development/python-modules/criticality-score/default.nix
+++ b/pkgs/development/python-modules/criticality-score/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchPypi, PyGithub, python-gitlab }:
+{ lib, buildPythonPackage, fetchPypi, pygithub, python-gitlab }:
 
 buildPythonPackage rec {
   pname = "criticality_score";
@@ -9,7 +9,7 @@ buildPythonPackage rec {
     sha256 = "0i811a27i87z3j1rw0dwrnw8v0ckbd918ms6shjawhs4cnb1c6x8";
   };
 
-  propagatedBuildInputs = [ PyGithub python-gitlab ];
+  propagatedBuildInputs = [ pygithub python-gitlab ];
 
   doCheck = false;
 
diff --git a/pkgs/development/python-modules/ghrepo-stats/default.nix b/pkgs/development/python-modules/ghrepo-stats/default.nix
index 00f49fbdaea..7f0d81dc3c9 100644
--- a/pkgs/development/python-modules/ghrepo-stats/default.nix
+++ b/pkgs/development/python-modules/ghrepo-stats/default.nix
@@ -3,7 +3,7 @@
 , buildPythonPackage
 , fetchFromGitHub
 , matplotlib
-, PyGithub
+, pygithub
 , pythonOlder
 }:
 
@@ -30,7 +30,7 @@ buildPythonPackage rec {
   propagatedBuildInputs = [
     beautifulsoup4
     matplotlib
-    PyGithub
+    pygithub
   ];
 
   # Module has no tests
diff --git a/pkgs/development/python-modules/keep/default.nix b/pkgs/development/python-modules/keep/default.nix
index 8b9823b6f03..176924b5fd1 100644
--- a/pkgs/development/python-modules/keep/default.nix
+++ b/pkgs/development/python-modules/keep/default.nix
@@ -1,7 +1,7 @@
 { lib
 , buildPythonPackage
 , fetchPypi
-, PyGithub
+, pygithub
 , terminaltables
 , click
 , requests
@@ -20,7 +20,7 @@ buildPythonPackage rec {
     click
     requests
     terminaltables
-    PyGithub
+    pygithub
   ];
 
   # no tests
diff --git a/pkgs/development/python-modules/mathlibtools/default.nix b/pkgs/development/python-modules/mathlibtools/default.nix
index bf50e7fdd62..4f90bb7f369 100644
--- a/pkgs/development/python-modules/mathlibtools/default.nix
+++ b/pkgs/development/python-modules/mathlibtools/default.nix
@@ -6,7 +6,7 @@
 , gitpython
 , networkx
 , pydot
-, PyGithub
+, pygithub
 , pythonOlder
 , pyyaml
 , toml
@@ -31,7 +31,7 @@ buildPythonPackage rec {
     gitpython
     networkx
     pydot
-    PyGithub
+    pygithub
     pyyaml
     toml
     tqdm
diff --git a/pkgs/development/python-modules/papermill/default.nix b/pkgs/development/python-modules/papermill/default.nix
index 9afafa5c66f..f1c26beaa64 100644
--- a/pkgs/development/python-modules/papermill/default.nix
+++ b/pkgs/development/python-modules/papermill/default.nix
@@ -11,7 +11,7 @@
 , nbclient
 , nbformat
 , pyarrow
-, PyGithub
+, pygithub
 , pytest-mock
 , pytestCheckHook
 , pythonOlder
@@ -54,7 +54,7 @@ buildPythonPackage rec {
       gcsfs
     ];
     github = [
-      PyGithub
+      pygithub
     ];
     hdfs = [
       pyarrow
diff --git a/pkgs/development/python-modules/pyGithub/default.nix b/pkgs/development/python-modules/pygithub/default.nix
similarity index 97%
rename from pkgs/development/python-modules/pyGithub/default.nix
rename to pkgs/development/python-modules/pygithub/default.nix
index 7facf0c0032..f510fcc8d8f 100644
--- a/pkgs/development/python-modules/pyGithub/default.nix
+++ b/pkgs/development/python-modules/pygithub/default.nix
@@ -10,7 +10,7 @@
 }:
 
 buildPythonPackage rec {
-  pname = "PyGithub";
+  pname = "pygithub";
   version = "1.57";
   format = "setuptools";
   disabled = pythonOlder "3.6";
diff --git a/pkgs/development/tools/github/cligh/default.nix b/pkgs/development/tools/github/cligh/default.nix
index ce340239ac4..426a9735a90 100644
--- a/pkgs/development/tools/github/cligh/default.nix
+++ b/pkgs/development/tools/github/cligh/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchFromGitHub, buildPythonApplication, pyxdg, PyGithub }:
+{ lib, fetchFromGitHub, buildPythonApplication, pyxdg, pygithub }:
 
 buildPythonApplication rec {
   pname = "cligh";
@@ -13,7 +13,7 @@ buildPythonApplication rec {
     sha256 = "0d1fd78rzl2n75xpmy1gnxh1shvcs4qm0j4qqszqvfriwkg2flxn";
   };
 
-  propagatedBuildInputs = [ pyxdg PyGithub ];
+  propagatedBuildInputs = [ pyxdg pygithub ];
 
   meta = with lib; {
     homepage = "http://the-brannons.com/software/cligh.html";
diff --git a/pkgs/os-specific/linux/kernel/hardened/update.py b/pkgs/os-specific/linux/kernel/hardened/update.py
index e289a97c56f..5d6a2eba966 100755
--- a/pkgs/os-specific/linux/kernel/hardened/update.py
+++ b/pkgs/os-specific/linux/kernel/hardened/update.py
@@ -1,5 +1,5 @@
 #! /usr/bin/env nix-shell
-#! nix-shell -i python -p "python3.withPackages (ps: [ps.PyGithub])" git gnupg
+#! nix-shell -i python -p "python3.withPackages (ps: [ps.pygithub])" git gnupg
 
 # This is automatically called by ../update.sh.
 
diff --git a/pkgs/tools/admin/azure-cli/default.nix b/pkgs/tools/admin/azure-cli/default.nix
index eb784133103..bd3afcb5321 100644
--- a/pkgs/tools/admin/azure-cli/default.nix
+++ b/pkgs/tools/admin/azure-cli/default.nix
@@ -137,7 +137,7 @@ py.pkgs.toPythonApplication (py.pkgs.buildAzureCliPackage {
     mock
     paramiko
     pydocumentdb
-    PyGithub
+    pygithub
     pygments
     pynacl
     pyopenssl
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index ebdb03bffb8..bbe9c4e47f3 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -171,6 +171,7 @@ mapAliases ({
   Pweave = pweave; # added 2023-02-19
   pyalmond = throw "pyalmond has been removed, since its API endpoints have been shutdown"; # added 2023-02-02
   pydrive = throw "pydrive is broken and deprecated and has been replaced with pydrive2."; # added 2022-06-01
+  PyGithub = pygithub; # added 2023-02-19
   pyGtkGlade = throw "Glade support for pygtk has been removed"; # added 2022-01-15
   pycallgraph = throw "pycallgraph has been removed, it was using setuptools 2to3 translation feature, which has been removed in setuptools 58"; # added 2022-01-18
   pychef = throw "pychef has been removed because it's been archived upstream and abandoned since 2017."; # added 2022-11-14
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 960e0f0a043..fd5112ab679 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -8130,7 +8130,7 @@ self: super: with self; {
 
   pygit2 = callPackage ../development/python-modules/pygit2 { };
 
-  PyGithub = callPackage ../development/python-modules/pyGithub { };
+  pygithub = callPackage ../development/python-modules/pygithub { };
 
   pyglet = callPackage ../development/python-modules/pyglet { };