diff --git a/src/annetbox/v37/models.py b/src/annetbox/v37/models.py
index 8aa948f..155e573 100644
--- a/src/annetbox/v37/models.py
+++ b/src/annetbox/v37/models.py
@@ -89,6 +89,11 @@ class InterfaceVlan(Entity):
     vid: int
 
 
+@dataclass
+class Vrf(Entity):
+    rd: str
+    description: str
+
 @dataclass
 class Interface(Entity):
     cable: InterfaceCable | None
@@ -106,7 +111,7 @@ class Interface(Entity):
     tagged_vlans: list[InterfaceVlan] | None
     created: datetime
     last_updated: datetime
-    vrf: Entity | None
+    vrf: Vrf | None
     mgmt_only: bool
     lag: Entity | None
     mtu: int | None
@@ -186,7 +191,7 @@ class IpAddress:
     created: datetime
     last_updated: datetime
     tenant: EntityWithSlug | None
-    vrf: Entity | None
+    vrf: Vrf | None
 
 
 class CableType(str, Enum):
@@ -271,7 +276,7 @@ class Prefix:
     id: int
     prefix: str
     site: Entity | None
-    vrf: Entity | None
+    vrf: Vrf | None
     tenant: Entity | None
     vlan: Entity | None
     role: Entity | None
diff --git a/src/annetbox/v41/models.py b/src/annetbox/v41/models.py
index 48a96bd..56c5e56 100644
--- a/src/annetbox/v41/models.py
+++ b/src/annetbox/v41/models.py
@@ -95,6 +95,12 @@ class InterfaceVlan(Entity):
     vid: int
 
 
+@dataclass
+class Vrf(Entity):
+    rd: str
+    description: str
+
+
 @dataclass
 class Interface(Entity):
     cable: InterfaceCable | None
@@ -112,7 +118,7 @@ class Interface(Entity):
     tagged_vlans: list[InterfaceVlan] | None
     created: datetime
     last_updated: datetime
-    vrf: Entity | None
+    vrf: Vrf | None
     mgmt_only: bool
     lag: Entity | None
     mtu: int | None
@@ -185,7 +191,7 @@ class IpAddress:
     created: datetime
     last_updated: datetime
     tenant: EntityWithSlug | None
-    vrf: Entity | None
+    vrf: Vrf | None
 
 
 class CableType(str, Enum):
@@ -270,7 +276,7 @@ class Prefix:
     id: int
     prefix: str
     site: Entity | None
-    vrf: Entity | None
+    vrf: Vrf | None
     tenant: Entity | None
     vlan: Entity | None
     role: Entity | None
diff --git a/src/annetbox/v42/models.py b/src/annetbox/v42/models.py
index dc43871..50d00e8 100644
--- a/src/annetbox/v42/models.py
+++ b/src/annetbox/v42/models.py
@@ -95,6 +95,11 @@ class InterfaceVlan(Entity):
     vid: int
 
 
+@dataclass
+class Vrf(Entity):
+    rd: str
+    description: str
+
 @dataclass
 class Interface(Entity):
     cable: InterfaceCable | None
@@ -112,7 +117,7 @@ class Interface(Entity):
     tagged_vlans: list[InterfaceVlan] | None
     created: datetime
     last_updated: datetime
-    vrf: Entity | None
+    vrf: Vrf | None
     mgmt_only: bool
     lag: Entity | None
     mtu: int | None
@@ -185,7 +190,7 @@ class IpAddress:
     created: datetime
     last_updated: datetime
     tenant: EntityWithSlug | None
-    vrf: Entity | None
+    vrf: Vrf | None
 
 
 class CableType(str, Enum):
@@ -271,7 +276,7 @@ class Prefix:
     prefix: str
     scope_type: str | None
     scope: Entity | None  # site is depricated after 4.2
-    vrf: Entity | None
+    vrf: Vrf | None
     tenant: Entity | None
     vlan: Entity | None
     role: Entity | None