diff --git a/src/sporestack/__init__.py b/src/sporestack/__init__.py
index 3003b57..2ed6049 100644
--- a/src/sporestack/__init__.py
+++ b/src/sporestack/__init__.py
@@ -2,4 +2,4 @@
 
 __all__ = ["api", "api_client", "client", "exceptions"]
 
-__version__ = "10.7.0"
+__version__ = "10.7.1"
diff --git a/src/sporestack/models.py b/src/sporestack/models.py
index ba3ca56..052e3c8 100644
--- a/src/sporestack/models.py
+++ b/src/sporestack/models.py
@@ -79,7 +79,7 @@ class Region(BaseModel):
 
 
 class Invoice(BaseModel):
-    id: int
+    id: Union[int, str]
     payment_uri: Annotated[
         str, Field(description="Cryptocurrency URI for the payment.")
     ]