diff --git a/pyproject.toml b/pyproject.toml
index b64110d9..4d986b55 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -196,7 +196,7 @@ dev = [
     # hatch is required to support type hinting and proper packaging of the py.typed file.
     "hatch>=1.14.1",
     "isort==8.0.1",
-    "ty==0.0.32",
+    "ty==0.0.33",
     "prek>=0.3.3",
     "pre-commit-hooks==6.0.0",
     "pylint==4.0.5",
diff --git a/src/bsblan/models.py b/src/bsblan/models.py
index 67165a1d..0c360a99 100644
--- a/src/bsblan/models.py
+++ b/src/bsblan/models.py
@@ -326,13 +326,13 @@ class EntityInfo(BaseModel, Generic[T]):
     unit: str
     desc: str
     value: T | None = None
-    data_type: int = Field(alias="dataType", default=0)
+    data_type: int = Field(validation_alias="dataType", default=0)
     error: int = 0
     readonly: int = 0
     readwrite: int = 0
     precision: float | None = None
-    data_type_name: str = Field(default="", alias="dataType_name")
-    data_type_family: str = Field(default="", alias="dataType_family")
+    data_type_name: str = Field(default="", validation_alias="dataType_name")
+    data_type_family: str = Field(default="", validation_alias="dataType_family")
 
     @model_validator(mode="before")
     @classmethod