diff --git a/pkgs/development/python-modules/reflex/default.nix b/pkgs/development/python-modules/reflex/default.nix
index a99f1968f775..be714a1d1df0 100644
--- a/pkgs/development/python-modules/reflex/default.nix
+++ b/pkgs/development/python-modules/reflex/default.nix
@@ -2,7 +2,6 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
-  poetry-core,
   alembic,
   attrs,
   build,
@@ -11,26 +10,26 @@
   distro,
   fastapi,
   gunicorn,
+  hatchling,
   httpx,
   jinja2,
   lazy-loader,
   numpy,
+  packaging,
   pandas,
   pillow,
   platformdirs,
+  playwright,
   plotly,
   psutil,
   pydantic,
   pytest-asyncio,
   pytest-mock,
-  playwright,
   pytestCheckHook,
   python-engineio,
   python-multipart,
   python-socketio,
-  pythonOlder,
   redis,
-  reflex-chakra,
   reflex-hosting-cli,
   rich,
   sqlmodel,
@@ -38,25 +37,25 @@
   tomlkit,
   twine,
   typer,
+  typing-extensions,
   unzip,
   uvicorn,
-  watchdog,
-  watchfiles,
+  versionCheckHook,
+  wheel,
   wrapt,
+  writableTmpDirAsHomeHook,
 }:
 
 buildPythonPackage rec {
   pname = "reflex";
-  version = "0.7.2";
+  version = "0.7.4a0";
   pyproject = true;
 
-  disabled = pythonOlder "3.10";
-
   src = fetchFromGitHub {
     owner = "reflex-dev";
     repo = "reflex";
     tag = "v${version}";
-    hash = "sha256-XhYgZx4zc2utWIzT6lvGNyGn6MyTxhsiaFa3/h4XQjM=";
+    hash = "sha256-KFNcdPoZc+Zps8OV3aLIkk9rlbfy6rx0I9JrYFt2b5E=";
   };
 
   pythonRelaxDeps = [
@@ -69,7 +68,7 @@ buildPythonPackage rec {
     "build"
   ];
 
-  build-system = [ poetry-core ];
+  build-system = [ hatchling ];
 
   dependencies = [
     alembic
@@ -82,6 +81,7 @@ buildPythonPackage rec {
     httpx
     jinja2
     lazy-loader
+    packaging
     platformdirs
     psutil
     pydantic
@@ -89,7 +89,6 @@ buildPythonPackage rec {
     python-multipart
     python-socketio
     redis
-    reflex-chakra
     reflex-hosting-cli
     rich
     sqlmodel
@@ -97,9 +96,9 @@ buildPythonPackage rec {
     tomlkit
     twine # used in custom_components/custom_components.py
     typer
+    typing-extensions
     uvicorn
-    watchdog
-    watchfiles
+    wheel
     wrapt
   ];
 
@@ -114,11 +113,10 @@ buildPythonPackage rec {
     pandas
     pillow
     unzip
+    writableTmpDirAsHomeHook
+    versionCheckHook
   ];
-
-  preCheck = ''
-    export HOME="$(mktemp -d)"
-  '';
+  versionCheckProgramArg = "--version";
 
   disabledTests = [
     # Tests touch network
@@ -128,13 +126,13 @@ buildPythonPackage rec {
     "test_node_version"
     # /proc is too funky in nix sandbox
     "test_get_cpu_info"
-    # broken
-    "test_potentially_dirty_substates" # AssertionError: Extra items in the left set
     # flaky
     "test_preprocess" # KeyError: 'reflex___state____state'
     "test_send" # AssertionError: Expected 'post' to have been called once. Called 0 times.
     # tries to pin the string of a traceback, doesn't account for ansi colors
     "test_state_with_invalid_yield"
+    # tries to run bun or npm
+    "test_output_system_info"
   ];
 
   disabledTestPaths = [
@@ -144,12 +142,12 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "reflex" ];
 
-  meta = with lib; {
+  meta = {
     description = "Web apps in pure Python";
     homepage = "https://github.com/reflex-dev/reflex";
     changelog = "https://github.com/reflex-dev/reflex/releases/tag/${src.tag}";
-    license = licenses.asl20;
-    maintainers = with maintainers; [ pbsds ];
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ pbsds ];
     mainProgram = "reflex";
   };
 }