diff --git a/src/spaceone/inventory/model/metric/database.py b/src/spaceone/inventory/model/metric/database.py
index e762218b..a9ce15a1 100644
--- a/src/spaceone/inventory/model/metric/database.py
+++ b/src/spaceone/inventory/model/metric/database.py
@@ -5,7 +5,7 @@
 class Metric(MongoModel):
     metric_id = StringField(max_length=80, unique_with="domain_id")
     metric_job_id = StringField(max_length=40)
-    name = StringField(max_length=40)
+    name = StringField(max_length=80)
     status = StringField(max_length=20, choices=["IN_PROGRESS", "DONE"], default="DONE")
     metric_type = StringField(max_length=40, choices=["COUNTER", "GAUGE"])
     resource_type = StringField()