diff --git a/airflow/providers/influxdb/hooks/influxdb.py b/airflow/providers/influxdb/hooks/influxdb.py
index b1b001730a47d..902b968a05790 100644
--- a/airflow/providers/influxdb/hooks/influxdb.py
+++ b/airflow/providers/influxdb/hooks/influxdb.py
@@ -58,7 +58,7 @@ def __init__(self, conn_id: str = default_conn_name, *args, **kwargs) -> None:
         super().__init__(*args, **kwargs)
         self.influxdb_conn_id = conn_id
         self.connection = kwargs.pop("connection", None)
-        self.client = None
+        self.client: InfluxDBClient | None = None
         self.extras: dict = {}
         self.uri = None
 
@@ -78,7 +78,7 @@ def get_connection_form_widgets(cls) -> dict[str, Any]:
             ),
         }
 
-    def get_client(self, uri, kwargs):
+    def get_client(self, uri, kwargs) -> InfluxDBClient:
         return InfluxDBClient(url=uri, **kwargs)
 
     def get_uri(self, conn: Connection):