diff --git a/pyproject.toml b/pyproject.toml
index 7f10443..53dfc35 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "asteriskapimanager"
-version = "0.1.1"
+version = "0.1.2"
 description = ""
 authors = [
     {name = "Evgeny (Krymmy) Momotov",email = "evgeny.momotov@gmail.com"}
diff --git a/src/AsteriskAPIManager/data_models.py b/src/AsteriskAPIManager/data_models.py
index 3dfc824..e2e950f 100644
--- a/src/AsteriskAPIManager/data_models.py
+++ b/src/AsteriskAPIManager/data_models.py
@@ -83,16 +83,15 @@ class SIPAccountIn(BaseModel):
     """
     SIP-аккаунт.
     """
-    owner_id: Optional[int]
-    name: Optional[str]
-    is_registered: Optional[bool]
-    username: Optional[str]
-    password: Optional[str]
-    
-    server_url: Optional[str]
-    port: Optional[int]
-    internal_number: Optional[str]
-    endpoint_name: Optional[str]
+    owner_id: Optional[int] = None
+    name: Optional[str] = None
+    is_registered: Optional[bool] = None
+    username: Optional[str] = None
+    password: Optional[str] = None
+    server_url: Optional[str] = None
+    port: Optional[int] = None
+    internal_number: Optional[str] = None
+    endpoint_name: Optional[str] = None
 
     @validator("username")
     def validate_username(cls, v):