diff --git a/dbt/adapters/iris/connections.py b/dbt/adapters/iris/connections.py
index 4389a32..cf70251 100644
--- a/dbt/adapters/iris/connections.py
+++ b/dbt/adapters/iris/connections.py
@@ -104,7 +104,7 @@ def open(cls, connection):
             connection.handle = dbapi.connect(**kwargs)
             connection.state = "open"
         except Exception as e:
-            raise dbt.exceptions.FailedToConnectException(str(e))
+            raise dbt.exceptions.FailedToConnectError(str(e))
 
         return connection