diff --git a/pyproject.toml b/pyproject.toml
index 86a0404..6a7aea3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,11 +34,9 @@ classifiers = [
 "DASH Properties" = "https://doi.org/10.1063/5.0218154"
 
 [tool.setuptools]
+packages = ["serenityff"]
 include-package-data = true
 
-[tool.setuptools.packages.find]
-where = ["serenityff"]
-
 [project.entry-points."openff.toolkit.plugins.handlers"]
 SerenityFFCharge = "serenityff.charge.utils.serenityff_charge_handler:SerenityFFChargeHandler"