diff --git a/src/masterdata/model.py b/src/masterdata/model.py
index af6b699..daa3bf5 100644
--- a/src/masterdata/model.py
+++ b/src/masterdata/model.py
@@ -11,5 +11,7 @@ class MasterData(Base, DefaultMixin, IdentityMixin):
     # manhours_rate = Column(Float, nullable=True)
 
     name = Column(String, nullable=True)
+    description = Column(String, nullable=True)
+    unit_of_measurement = Column(String, nullable=True)
     value_num = Column(Float, nullable=True)
     value_str = Column(String, nullable=True)
diff --git a/src/masterdata/schema.py b/src/masterdata/schema.py
index 63c0a13..57fb0df 100644
--- a/src/masterdata/schema.py
+++ b/src/masterdata/schema.py
@@ -12,6 +12,8 @@ class MasterdataBase(DefaultBase):
     # inflation_rate: Optional[float]
     # manhours_rate: Optional[float]
     name: Optional[str] = Field(None, nullable=True)
+    description: Optional[str] = Field(None, nullable=True)
+    unit_of_measurement: Optional[str] = Field(None, nullable=True)
     value_num: Optional[float] = Field(None, nullable=True)
     value_str: Optional[str] = Field(None, nullable=True)
     created_at: Optional[datetime] = Field(None, nullable=True)
@@ -22,7 +24,9 @@ class MasterdataBase(DefaultBase):
 
 class MasterDataCreate(MasterdataBase):
     name: str = Field(..., nullable=True)
-    value_num: float= Field(..., nullable=True)
+    description: str = Field(..., nullable=True)
+    unit_of_measurement: str = Field(..., nullable=True)
+    value_num: float = Field(..., nullable=True)
     value_str: str = Field(..., nullable=True)