diff --git a/pkgs/by-name/pr/pretix/package.nix b/pkgs/by-name/pr/pretix/package.nix
index 7c72958dee31..117a5e877b7c 100644
--- a/pkgs/by-name/pr/pretix/package.nix
+++ b/pkgs/by-name/pr/pretix/package.nix
@@ -208,6 +208,7 @@ pythonPackages.buildPythonApplication (finalAttrs: {
     "cryptography"
     "django-bootstrap3"
     "django-compressor"
+    "django-countries"
     "django-filter"
     "django-formset-js-improved"
     "django-i18nfield"
diff --git a/pkgs/development/python-modules/django-countries/default.nix b/pkgs/development/python-modules/django-countries/default.nix
index 805bd21b401f..5c7b1e6576b0 100644
--- a/pkgs/development/python-modules/django-countries/default.nix
+++ b/pkgs/development/python-modules/django-countries/default.nix
@@ -20,14 +20,14 @@
 
 buildPythonPackage rec {
   pname = "django-countries";
-  version = "9.0.0";
+  version = "9.1.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "SmileyChris";
     repo = "django-countries";
     tag = "v${version}";
-    hash = "sha256-Lq2wXnC/0sT96AA0eW1TsrIm6qencXE4/3bHSni9nlQ=";
+    hash = "sha256-LR6mD3i/1e6c3DXqBgKqv2BhR0VbXzyskGHkPSXD3Gg=";
   };
 
   postPatch = ''