diff --git a/pyproject.toml b/pyproject.toml
index 02dddc6..db948d1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,8 +29,8 @@ dependencies = [
 dynamic = ["version"]
 
 [project.optional-dependencies]
-api = ["stability-sdk>=0.2.1"]
-hf = ["diffusers","transformers","ftfy"]
+api = ['stability-sdk>=0.2.1']
+hf = ['diffusers','transformers','ftfy','accelerate']
 
 [tool.setuptools.packages.find]
 where =["."]
@@ -38,4 +38,4 @@ include = ["vktrs*"]
 exclude = ["tests*"]
 
 [tool.setuptools.dynamic]
-version = {file = "VERSION"}
\ No newline at end of file
+version = {file = "VERSION"}