diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..8456be4
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,19 @@
+[build-system]
+requires = ["setuptools>=68", "wheel"]
+build-backend = "setuptools.backends.legacy:build"
+
+[project]
+name = "seismo-relay"
+version = "0.12.0"
+description = "Python client and REST server for MiniMate Plus seismographs"
+requires-python = ">=3.10"
+dependencies = [
+    "fastapi>=0.104",
+    "uvicorn[standard]>=0.24",
+    "pyserial>=3.5",
+]
+
+[tool.setuptools.packages.find]
+# Auto-discovers minimateplus/, sfm/, bridges/ as packages
+where = ["."]
+include = ["minimateplus*", "sfm*", "bridges*"]