diff --git a/pyproject.toml b/pyproject.toml
index 203b7e9..945c191 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,6 @@ readme = "README.md"
 requires-python = ">=3.12,<3.13"
 dependencies = [
     "pymodbus[serial]>=3.11.3",
-    "tomli-w>=1.2.0",
 ]
 
 [project.scripts]
diff --git a/uv.lock b/uv.lock
index 4a0f9fd..1566a97 100644
--- a/uv.lock
+++ b/uv.lock
@@ -26,7 +26,6 @@ version = "0.1.0"
 source = { editable = "." }
 dependencies = [
     { name = "pymodbus", extra = ["serial"] },
-    { name = "tomli-w" },
 ]
 
 [package.dev-dependencies]
@@ -36,10 +35,7 @@ dev = [
 ]
 
 [package.metadata]
-requires-dist = [
-    { name = "pymodbus", extras = ["serial"], specifier = ">=3.11.3" },
-    { name = "tomli-w", specifier = ">=1.2.0" },
-]
+requires-dist = [{ name = "pymodbus", extras = ["serial"], specifier = ">=3.11.3" }]
 
 [package.metadata.requires-dev]
 dev = [
@@ -137,12 +133,3 @@ wheels = [
     { url = "https://mirrors.ustc.edu.cn/pypi/packages/33/f1/9614e03e1cdcbf9437570b5400ced8a720b5db22b28d8e0f1bda429f660d/ruff-0.15.12-py3-none-win_amd64.whl", hash = "sha256:c87a162d61ab3adca47c03f7f717c68672edec7d1b5499e652331780fe74950d", size = 11837758, upload-time = "2026-04-24T18:17:00.113Z" },
     { url = "https://mirrors.ustc.edu.cn/pypi/packages/c0/98/6beb4b351e472e5f4c4613f7c35a5290b8be2497e183825310c4c3a3984b/ruff-0.15.12-py3-none-win_arm64.whl", hash = "sha256:a538f7a82d061cee7be55542aca1d86d1393d55d81d4fcc314370f4340930d4f", size = 11120821, upload-time = "2026-04-24T18:16:57.979Z" },
 ]
-
-[[package]]
-name = "tomli-w"
-version = "1.2.0"
-source = { registry = "https://mirrors.ustc.edu.cn/pypi/simple" }
-sdist = { url = "https://mirrors.ustc.edu.cn/pypi/packages/19/75/241269d1da26b624c0d5e110e8149093c759b7a286138f4efd61a60e75fe/tomli_w-1.2.0.tar.gz", hash = "sha256:2dd14fac5a47c27be9cd4c976af5a12d87fb1f0b4512f81d69cce3b35ae25021", size = 7184, upload-time = "2025-01-15T12:07:24.262Z" }
-wheels = [
-    { url = "https://mirrors.ustc.edu.cn/pypi/packages/c7/18/c86eb8e0202e32dd3df50d43d7ff9854f8e0603945ff398974c1d91ac1ef/tomli_w-1.2.0-py3-none-any.whl", hash = "sha256:188306098d013b691fcadc011abd66727d3c414c571bb01b1a174ba8c983cf90", size = 6675, upload-time = "2025-01-15T12:07:22.074Z" },
-]