diff --git a/pyproject.toml b/pyproject.toml
index 09208daed0..84ad6cb509 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,10 +25,7 @@ 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"] }}
 
 [project.urls]
 homepage = "http://www.unsloth.ai"