diff --git a/.dockerignore b/.dockerignore
index 35df131..f363cff 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -3,4 +3,3 @@
 .idea
 .claude
 *.md
-uv.lock
diff --git a/uv.lock b/uv.lock
new file mode 100644
index 0000000..61a11c2
--- /dev/null
+++ b/uv.lock
@@ -0,0 +1,43 @@
+version = 1
+revision = 3
+requires-python = ">=3.9"
+resolution-markers = [
+    "python_full_version >= '3.10'",
+    "python_full_version < '3.10'",
+]
+
+[[package]]
+name = "modbus-slave"
+version = "0.1.0"
+source = { virtual = "." }
+dependencies = [
+    { name = "pymodbus", version = "3.8.6", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.10'" },
+    { name = "pymodbus", version = "3.13.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.10'" },
+]
+
+[package.metadata]
+requires-dist = [{ name = "pymodbus", specifier = ">=3.8.6" }]
+
+[[package]]
+name = "pymodbus"
+version = "3.8.6"
+source = { registry = "https://pypi.org/simple" }
+resolution-markers = [
+    "python_full_version < '3.10'",
+]
+sdist = { url = "https://files.pythonhosted.org/packages/47/3a/a6958507d6f9c0c50f11cd299b056161c10f3cef7c227b44bc183a7e7854/pymodbus-3.8.6.tar.gz", hash = "sha256:7689b56cc3ad05a594e1486e772abb9d9646c01737935df492db04455680baf6", size = 162341, upload-time = "2025-02-10T11:53:24.596Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/84/23/8f30f094b4a00428bd3c28dd3b6a2b3715164ab85520673e197bd4bba2e7/pymodbus-3.8.6-py3-none-any.whl", hash = "sha256:b82373295fb98c9a9bf9338235240a8b2e97bcc49c0d833168cade7ba2fa90e6", size = 164366, upload-time = "2025-02-10T11:53:22.384Z" },
+]
+
+[[package]]
+name = "pymodbus"
+version = "3.13.0"
+source = { registry = "https://pypi.org/simple" }
+resolution-markers = [
+    "python_full_version >= '3.10'",
+]
+sdist = { url = "https://files.pythonhosted.org/packages/3d/55/eee0782c2ca9fa8e7c3218caca22fe30e850cd6c0c0d475c10b8c19e5a36/pymodbus-3.13.0.tar.gz", hash = "sha256:da4c87afe772787620594c564cd8aa8a4c58ff9786382aba9550fe0ce8879f32", size = 165750, upload-time = "2026-04-12T07:43:23.067Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/ed/9e/6046aa966c04f72417e7f3ee25cec975f770c934ccf83aa6b0c77400ff12/pymodbus-3.13.0-py3-none-any.whl", hash = "sha256:6ce838690b59ef3da00893699d04dc56e60abfb5b569363b7d6526470a3a44f5", size = 166398, upload-time = "2026-04-12T07:43:21.522Z" },
+]