diff --git a/pyproject.toml b/pyproject.toml
index 4584a23..71f15ab 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,6 +14,7 @@ license = {file = "LICENSE"}
 requires-python = ">=3.10"
 dependencies = [
     "policyengine_core",
+    "microdf_python",
     "requests",
     "tqdm",
 ]