diff --git a/pyproject.toml b/pyproject.toml
index 9f62c22..7647afc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,12 +2,15 @@
 requires = ["setuptools>=61.0", "wheel"]
 build-backend = "setuptools.build_meta"
 
+[tool.setuptools.package-data]
+tokencost = ["model_prices.yaml"]
+
 [project]
 name = "tokencost"
 version = "0.0.4"
 authors = [
-  { name="Trisha Pan", email="trishaepan@gmail.com" },
-  { name="Alex Reibman", email="areibman@gmail.com" },
+  { name = "Trisha Pan", email = "trishaepan@gmail.com" },
+  { name = "Alex Reibman", email = "areibman@gmail.com" },
 ]
 description = "To calculate token and translated USD cost of string and message calls to OpenAI, for example when used by AI agents"
 readme = "README.md"
@@ -32,9 +35,6 @@ llama-index = [
     "llama-index>=0.9.24"
 ]
 
-[tool.setuptools.dynamic]
-package_data = { "tokencost": ["model_prices.yaml"] }
-
 [project.urls]
 Homepage = "https://github.com/AgentOps-AI/tokencost"
 Issues = "https://github.com/AgentOps-AI/tokencost/issues"
\ No newline at end of file