diff --git a/pyproject.toml b/pyproject.toml
index e69de29..bf615fc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -0,0 +1,29 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "foreignthon-es"
+version = "0.1.0"
+description = "Spanish language pack for ForeignThon."
+readme = "README.md"
+license = { text = "MIT" }
+requires-python = ">=3.9"
+authors = [
+  { name = "Your Name", email = "you@example.com" }
+]
+keywords = ["foreignthon", "spanish", "español"]
+classifiers = [
+  "Development Status :: 3 - Alpha",
+  "Intended Audience :: Developers",
+  "License :: OSI Approved :: MIT License",
+]
+dependencies = [
+  "foreignthon>=0.1.0",
+]
+
+[project.entry-points."foreignthon.langs"]
+es = "foreignthon_es"
+
+[tool.hatch.build.targets.wheel]
+packages = ["src/foreignthon_es"]