diff --git a/pyproject.toml b/pyproject.toml
index e0877f97..ff080968 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ build-backend = "poetry.masonry.api"
 
 [tool.poetry]
 name = "together"
-version = "1.4.3"
+version = "1.4.4"
 authors = [
     "Together AI <support@together.ai>"
 ]
diff --git a/src/together/types/finetune.py b/src/together/types/finetune.py
index c41cbce2..94140a92 100644
--- a/src/together/types/finetune.py
+++ b/src/together/types/finetune.py
@@ -208,7 +208,7 @@ class FinetuneRequest(BaseModel):
         default_factory=TrainingMethodSFT
     )
     # from step
-    from_checkpoint: str
+    from_checkpoint: str | None = None
 
 
 class FinetuneResponse(BaseModel):