diff --git a/package.json b/package.json
deleted file mode 100644
index 43926eb..0000000
--- a/package.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "devDependencies": {
-    "prettier": "3.6.2"
-  }
-}
diff --git a/pyproject.toml b/pyproject.toml
index aec63d4..353d73f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,6 +19,7 @@ dependencies = []
 dev = [
     "mypy>=1.17.1",
     "pre-commit>=4.3.0",
+    "prettier>=0.0.7",
     "pytest>=8.4.1",
     "pyupgrade>=3.20.0",
     "ruff>=0.12.10",
diff --git a/uv.lock b/uv.lock
index a606784..9b19655 100644
--- a/uv.lock
+++ b/uv.lock
@@ -490,6 +490,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/5b/a5/987a405322d78a73b66e39e4a90e4ef156fd7141bf71df987e50717c321b/pre_commit-4.3.0-py2.py3-none-any.whl", hash = "sha256:2b0747ad7e6e967169136edffee14c16e148a778a54e4f967921aa1ebf2308d8", size = 220965, upload-time = "2025-08-09T18:56:13.192Z" },
 ]
 
+[[package]]
+name = "prettier"
+version = "0.0.7"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/c9/0e/a3375ca8f83f03662f22cbfee801badc4e4da19e4c06ade5ccfab4297678/prettier-0.0.7.tar.gz", hash = "sha256:6c34b8cd09fd9c8956c05d6395ea3f575e0122dce494ba57685c07065abed427", size = 16124, upload-time = "2022-04-27T09:06:51.62Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/f2/cf/c401d2af75c2c271375bbe3654e408af2c296650f88b8b3d3942e3c8b63e/prettier-0.0.7-py3-none-any.whl", hash = "sha256:20e76791de41cafe481328dd49552303f29ca192151cee1b120c26f66cae9bfc", size = 16260, upload-time = "2022-04-27T09:06:50.104Z" },
+]
+
 [[package]]
 name = "psutil"
 version = "6.1.1"
@@ -597,6 +606,7 @@ source = { virtual = "." }
 dev = [
     { name = "mypy" },
     { name = "pre-commit" },
+    { name = "prettier" },
     { name = "pytest" },
     { name = "pyupgrade" },
     { name = "ruff" },
@@ -609,6 +619,7 @@ dev = [
 dev = [
     { name = "mypy", specifier = ">=1.17.1" },
     { name = "pre-commit", specifier = ">=4.3.0" },
+    { name = "prettier", specifier = ">=0.0.7" },
     { name = "pytest", specifier = ">=8.4.1" },
     { name = "pyupgrade", specifier = ">=3.20.0" },
     { name = "ruff", specifier = ">=0.12.10" },