diff --git a/pyproject.toml b/pyproject.toml
index 1ab237d..52efec4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,13 +7,13 @@ authors = [
 description = "Performant library for thermodynamic calculations"
 readme = "README.md"
 requires-python = ">=3.10"
+license = "MIT"
 classifiers = [
     "Programming Language :: Python :: 3",
-    "License :: OSI Approved :: MIT License",
     "Operating System :: OS Independent",
 ]
 dependencies = [
-  "pyyaml>6.0.2",
+  "pyyaml>=6.0.1",
   "numpy>2.0.0",
   "scipy>1.12.0",
 ]