diff --git a/optillm/__init__.py b/optillm/__init__.py
index 4ae9b7ee..6fe64d92 100644
--- a/optillm/__init__.py
+++ b/optillm/__init__.py
@@ -1,5 +1,5 @@
 # Version information
-__version__ = "0.2.8"
+__version__ = "0.2.9"
 
 # Import from server module
 from .server import (
diff --git a/optillm/inference.py b/optillm/inference.py
index 1ebf8a61..3b61a875 100644
--- a/optillm/inference.py
+++ b/optillm/inference.py
@@ -1029,7 +1029,7 @@ def _load_model():
             logger.info(f"Using device: {device}")
             
             # Load tokenizer
-            tokenizer = AutoTokenizer.from_pretrained(model_id, trust_remote_code=True)
+            tokenizer = AutoTokenizer.from_pretrained(model_id, trust_remote_code=True, token=os.getenv("HF_TOKEN"))
             
             # Base kwargs for model loading
             model_kwargs = {
@@ -1076,6 +1076,7 @@ def _load_model():
             try:
                 model = AutoModelForCausalLM.from_pretrained(
                     model_id,
+                    token=os.getenv("HF_TOKEN"),
                     **model_kwargs
                 )
             except Exception as e:
@@ -1085,6 +1086,7 @@ def _load_model():
                     model_kwargs.pop("attn_implementation")
                     model = AutoModelForCausalLM.from_pretrained(
                         model_id,
+                        token=os.getenv("HF_TOKEN"),
                         **model_kwargs
                     )
                 elif model_kwargs["torch_dtype"] == torch.float16:
@@ -1094,6 +1096,7 @@ def _load_model():
                     model_kwargs["torch_dtype"] = torch.float32
                     model = AutoModelForCausalLM.from_pretrained(
                         model_id,
+                        token=os.getenv("HF_TOKEN"),
                         **model_kwargs
                     )
             
@@ -1134,7 +1137,7 @@ def validate_adapter(self, adapter_id: str) -> bool:
             config = PeftConfig.from_pretrained(
                 adapter_id,
                 trust_remote_code=True,
-                use_auth_token=os.getenv("HF_TOKEN")
+                token=os.getenv("HF_TOKEN")
             )
             return True
         except Exception as e:
@@ -1159,7 +1162,7 @@ def _load_adapter():
                 config = PeftConfig.from_pretrained(
                     adapter_id,
                     trust_remote_code=True,
-                    use_auth_token=os.getenv("HF_TOKEN")
+                    token=os.getenv("HF_TOKEN")
                 )
                 
                 model = base_model
diff --git a/pyproject.toml b/pyproject.toml
index 23ae88d1..d1049c79 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "optillm"
-version = "0.2.8"
+version = "0.2.9"
 description = "An optimizing inference proxy for LLMs."
 readme = "README.md"
 license = "Apache-2.0"