diff --git a/pyproject.toml b/pyproject.toml
index 43089c6c4e..09208daed0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,10 +25,10 @@ classifiers = [
 [tool.setuptools.dynamic]
 version = {attr = "unsloth.__version__"}
 dependencies = {file = ["requirements.txt"]}
-optional-dependencies = {
-	cu118 = { file = ["requirements_cu118.txt"] },
-	cu121 = { file = ["requirements_cu121.txt"] },
-}
+optional-dependencies = [
+	{cu118 = { file = ["requirements_cu118.txt"] }},
+	{cu121 = { file = ["requirements_cu121.txt"] }},
+]
 
 [project.urls]
 homepage = "http://www.unsloth.ai"