diff --git a/pyproject.toml b/pyproject.toml
index 8507420..2cdae00 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,6 +6,13 @@ build-backend = "maturin"
 name = "msyrs"
 version = "0.0.1"
 requires-python = ">=3.7"
+
+dependencies = [
+    "macrosynergy>=1.2.0",
+    "polars>=1.0.0",
+    "pyarrow>=16.0.0",
+]
+
 classifiers = [
     "Programming Language :: Rust",
     "Programming Language :: Python :: Implementation :: CPython",