diff --git a/pkgs/development/python-modules/flax/default.nix b/pkgs/development/python-modules/flax/default.nix
index 8d860b56886f..7c443368bd41 100644
--- a/pkgs/development/python-modules/flax/default.nix
+++ b/pkgs/development/python-modules/flax/default.nix
@@ -26,7 +26,7 @@
 
 buildPythonPackage rec {
   pname = "flax";
-  version = "0.8.3";
+  version = "0.8.4";
   pyproject = true;
 
   disabled = pythonOlder "3.9";
@@ -35,7 +35,7 @@ buildPythonPackage rec {
     owner = "google";
     repo = "flax";
     rev = "refs/tags/v${version}";
-    hash = "sha256-uDGTyksUZTTL6FiTJP+qteFLOjr75dcTj9yRJ6Jm8xU=";
+    hash = "sha256-ZwqKZdJ9LOfWTav5nE9xMsMw/DbryqQUuu5fqeugBzY=";
   };
 
   build-system = [
@@ -86,7 +86,7 @@ buildPythonPackage rec {
     # `tensorflow_datasets`, `vocabulary`) so the benefits of trying to run them
     # would be limited anyway.
     "examples/*"
-    "flax/experimental/nnx/examples/*"
+    "flax/nnx/examples/*"
     # See https://github.com/google/flax/issues/3232.
     "tests/jax_utils_test.py"
     # Requires tree
@@ -98,11 +98,11 @@ buildPythonPackage rec {
     "test_overwrite_checkpoints0"
   ];
 
-  meta = with lib; {
+  meta = {
     description = "Neural network library for JAX";
     homepage = "https://github.com/google/flax";
     changelog = "https://github.com/google/flax/releases/tag/v${version}";
-    license = licenses.asl20;
-    maintainers = with maintainers; [ ndl ];
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ ndl ];
   };
 }