diff --git a/cosmos/profiles/vertica/user_pass.py b/cosmos/profiles/vertica/user_pass.py
index 494185e05..ccaaf301d 100644
--- a/cosmos/profiles/vertica/user_pass.py
+++ b/cosmos/profiles/vertica/user_pass.py
@@ -1,4 +1,4 @@
-"Maps Airflow Vertica connections using user + password authentication to dbt profiles."
+"Maps Airflow Vertica connections using username + password authentication to dbt profiles."
 from __future__ import annotations
 
 from typing import Any
@@ -8,7 +8,7 @@
 
 class VerticaUserPasswordProfileMapping(BaseProfileMapping):
     """
-    Maps Airflow Vertica connections using user + password authentication to dbt profiles.
+    Maps Airflow Vertica connections using username + password authentication to dbt profiles.
     https://docs.getdbt.com/reference/warehouse-setups/vertica-setup
     https://airflow.apache.org/docs/apache-airflow-providers-vertica/stable/connections/vertica.html
     """
@@ -18,7 +18,7 @@ class VerticaUserPasswordProfileMapping(BaseProfileMapping):
 
     required_fields = [
         "host",
-        "user",
+        "username",
         "password",
         "database",
         "schema",
@@ -28,7 +28,7 @@ class VerticaUserPasswordProfileMapping(BaseProfileMapping):
     ]
     airflow_param_mapping = {
         "host": "host",
-        "user": "login",
+        "username": "login",
         "password": "password",
         "port": "port",
         "schema": "schema",
diff --git a/tests/profiles/vertica/test_vertica_user_pass.py b/tests/profiles/vertica/test_vertica_user_pass.py
index 953a3c553..19771c799 100644
--- a/tests/profiles/vertica/test_vertica_user_pass.py
+++ b/tests/profiles/vertica/test_vertica_user_pass.py
@@ -59,7 +59,7 @@ def test_connection_claiming() -> None:
     # - conn_type == vertica
     # and the following exist:
     # - host
-    # - user
+    # - username
     # - password
     # - port
     # - database or database
@@ -142,7 +142,7 @@ def test_profile_args(
     assert profile_mapping.profile == {
         "type": mock_vertica_conn.conn_type,
         "host": mock_vertica_conn.host,
-        "user": mock_vertica_conn.login,
+        "username": mock_vertica_conn.login,
         "password": "{{ env_var('COSMOS_CONN_VERTICA_PASSWORD') }}",
         "port": mock_vertica_conn.port,
         "schema": "my_schema",
@@ -168,7 +168,7 @@ def test_profile_args_overrides(
     assert profile_mapping.profile == {
         "type": mock_vertica_conn.conn_type,
         "host": mock_vertica_conn.host,
-        "user": mock_vertica_conn.login,
+        "username": mock_vertica_conn.login,
         "password": "{{ env_var('COSMOS_CONN_VERTICA_PASSWORD') }}",
         "port": mock_vertica_conn.port,
         "database": "my_db_override",