diff --git a/scaleway-async/scaleway_async/instance/v1/marshalling.py b/scaleway-async/scaleway_async/instance/v1/marshalling.py
index bc624512..83a82c1f 100644
--- a/scaleway-async/scaleway_async/instance/v1/marshalling.py
+++ b/scaleway-async/scaleway_async/instance/v1/marshalling.py
@@ -210,6 +210,14 @@ def unmarshal_PrivateNIC(data: Any) -> PrivateNIC:
     else:
         args["tags"] = []
 
+    field = data.get("creation_date", None)
+    if field is not None:
+        args["creation_date"] = (
+            parser.isoparse(field) if isinstance(field, str) else field
+        )
+    else:
+        args["creation_date"] = None
+
     return PrivateNIC(**args)
 
 
@@ -4718,6 +4726,9 @@ def marshal_PrivateNIC(
     if request.tags is not None:
         output["tags"] = request.tags
 
+    if request.creation_date is not None:
+        output["creation_date"] = request.creation_date.isoformat()
+
     return output
 
 
diff --git a/scaleway-async/scaleway_async/instance/v1/types.py b/scaleway-async/scaleway_async/instance/v1/types.py
index 406fdc73..c9a2ba57 100644
--- a/scaleway-async/scaleway_async/instance/v1/types.py
+++ b/scaleway-async/scaleway_async/instance/v1/types.py
@@ -540,6 +540,11 @@ class PrivateNIC:
     Private NIC tags.
     """
 
+    creation_date: Optional[datetime] = None
+    """
+    Private NIC creation date.
+    """
+
 
 @dataclass
 class SecurityGroupSummary:
diff --git a/scaleway/scaleway/instance/v1/marshalling.py b/scaleway/scaleway/instance/v1/marshalling.py
index bc624512..83a82c1f 100644
--- a/scaleway/scaleway/instance/v1/marshalling.py
+++ b/scaleway/scaleway/instance/v1/marshalling.py
@@ -210,6 +210,14 @@ def unmarshal_PrivateNIC(data: Any) -> PrivateNIC:
     else:
         args["tags"] = []
 
+    field = data.get("creation_date", None)
+    if field is not None:
+        args["creation_date"] = (
+            parser.isoparse(field) if isinstance(field, str) else field
+        )
+    else:
+        args["creation_date"] = None
+
     return PrivateNIC(**args)
 
 
@@ -4718,6 +4726,9 @@ def marshal_PrivateNIC(
     if request.tags is not None:
         output["tags"] = request.tags
 
+    if request.creation_date is not None:
+        output["creation_date"] = request.creation_date.isoformat()
+
     return output
 
 
diff --git a/scaleway/scaleway/instance/v1/types.py b/scaleway/scaleway/instance/v1/types.py
index 406fdc73..c9a2ba57 100644
--- a/scaleway/scaleway/instance/v1/types.py
+++ b/scaleway/scaleway/instance/v1/types.py
@@ -540,6 +540,11 @@ class PrivateNIC:
     Private NIC tags.
     """
 
+    creation_date: Optional[datetime] = None
+    """
+    Private NIC creation date.
+    """
+
 
 @dataclass
 class SecurityGroupSummary: