diff --git a/pyproject.toml b/pyproject.toml
index 6e5fb34..7032229 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "RCTab"
-version = "1.1.1"
+version = "1.1.2"
 description = "The RCTab API. Manage Azure budgets and usage"
 authors = []
 
diff --git a/rctab/crud/schema.py b/rctab/crud/schema.py
index 2fd7b29..bb0daf9 100644
--- a/rctab/crud/schema.py
+++ b/rctab/crud/schema.py
@@ -54,7 +54,7 @@ class Usage(HashBaseModel):
     effective_price: Optional[float]
     cost: Optional[float]
     amortised_cost: Optional[float]
-    total_cost: confloat(ge=0.0)  # type: ignore
+    total_cost: float
     unit_price: Optional[float]
     billing_currency: Optional[str]
     resource_location: Optional[str]