diff --git a/pkgs/development/python-modules/wagtail-factories/default.nix b/pkgs/development/python-modules/wagtail-factories/default.nix
index 990fd0d8416a..42efebb8eafe 100644
--- a/pkgs/development/python-modules/wagtail-factories/default.nix
+++ b/pkgs/development/python-modules/wagtail-factories/default.nix
@@ -8,13 +8,13 @@
 
 buildPythonPackage rec {
   pname = "wagtail-factories";
-  version = "4.0.0";
+  version = "4.1.0";
 
   src = fetchFromGitHub {
     repo = pname;
     owner = "wagtail";
-    rev = version;
-    sha256 = "sha256-JmFWf+TODQNsSSxYD/JYVhWc82o6rJL13j5J23r8J9A=";
+    rev = "refs/tags/v${version}";
+    sha256 = "sha256-xNLHJ/8IZt3pzHAzr9swcL6GcIQyIjIFfoeHUW1i76U=";
   };
 
   propagatedBuildInputs = [