diff --git a/esphome/dashboard/web_server.py b/esphome/dashboard/web_server.py
index c0cc00b66c..76faa43015 100644
--- a/esphome/dashboard/web_server.py
+++ b/esphome/dashboard/web_server.py
@@ -34,6 +34,7 @@ from esphome import const, platformio_api, yaml_util
 from esphome.helpers import get_bool_env, mkdir_p
 from esphome.storage_json import StorageJSON, ext_storage_path, trash_storage_path
 from esphome.util import get_serial_ports, shlex_quote
+from esphome.yaml_util import FastestAvailableSafeLoader
 
 from .core import DASHBOARD, list_dashboard_entries
 from .entries import DashboardEntry
@@ -886,7 +887,7 @@ class SecretKeysRequestHandler(BaseHandler):
         self.write(json.dumps(secret_keys))
 
 
-class SafeLoaderIgnoreUnknown(yaml.SafeLoader):
+class SafeLoaderIgnoreUnknown(FastestAvailableSafeLoader):
     def ignore_unknown(self, node):
         return f"{node.tag} {node.value}"