diff --git a/pkgs/development/python-modules/django-polymorphic/default.nix b/pkgs/development/python-modules/django-polymorphic/default.nix
index 4b8d79a2917e..daebb7f7e048 100644
--- a/pkgs/development/python-modules/django-polymorphic/default.nix
+++ b/pkgs/development/python-modules/django-polymorphic/default.nix
@@ -2,26 +2,29 @@
 
 buildPythonPackage rec {
   pname = "django-polymorphic";
-  version = "2.1.2";
+  version = "3.1";
 
-  # PyPI tarball is missing some test files
   src = fetchFromGitHub {
-    owner = pname;
-    repo = pname;
+    owner = "django-polymorphic";
+    repo = "django-polymorphic";
     rev = "v${version}";
-    sha256 = "0zghrq7y7g2ls38cz6y98qj5xwnn992slhb95qyp6l66d420j179";
+    sha256 = "sha256-JJY+FoMPSnWuSsNIas2JedGJpdm6RfPE3E1VIjGuXIc=";
   };
 
-  checkInputs = [ dj-database-url ];
   propagatedBuildInputs = [ django ];
 
+  checkInputs = [ dj-database-url ];
+
   checkPhase = ''
     ${python.interpreter} runtests.py
   '';
 
+  pythonImportsCheck = [ "polymorphic" ];
+
   meta = with lib; {
     homepage = "https://github.com/django-polymorphic/django-polymorphic";
     description = "Improved Django model inheritance with automatic downcasting";
     license = licenses.bsd3;
+    maintainers = with maintainers; [ SuperSandro2000 ];
   };
 }
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index 92186edce8fb..0457def9b010 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -60,6 +60,7 @@ mapAliases ({
   django_extensions = django-extensions; # added 2022-01-09
   django_guardian = django-guardian; # added 2022-05-19
   django_modelcluster = django-modelcluster; # added 2022-04-02
+  django_polymorphic = django-polymorphic; # added 2022-05-24
   django_redis = django-redis; # added 2021-10-11
   django_taggit = django-taggit; # added 2021-10-11
   dns = dnspython; # added 2017-12-10
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index b065796ed433..619894461beb 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2366,7 +2366,7 @@ in {
 
   django-picklefield = callPackage ../development/python-modules/django-picklefield { };
 
-  django_polymorphic = callPackage ../development/python-modules/django-polymorphic { };
+  django-polymorphic = callPackage ../development/python-modules/django-polymorphic { };
 
   django-postgresql-netfields = callPackage ../development/python-modules/django-postgresql-netfields { };