diff --git a/pyproject.toml b/pyproject.toml
index 75c4b5f..ded3536 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ classifiers = [
     "Development Status :: 2 - Pre-Alpha",
     "Programming Language :: Python :: 3",
 ]
-version = "0.0.12"
+version = "0.0.13"
 dependencies = [
     "click",
     "numpy",
@@ -34,6 +34,9 @@ keywords = ['plateau']
 [tool.hatch.build]
 exclude = ["tests/*"]
 
+[tool.hatch.metadata]
+allow-direct-references = true
+
 [project.urls]
 "Homepage" = "https://eukarya-inc.github.io/plateauutils/"
 "Bug Reports" = "https://github.com/eukarya-inc/plateauutils/issues"