diff --git a/httprunner/loader.py b/httprunner/loader.py
index afaae632..f79c123f 100644
--- a/httprunner/loader.py
+++ b/httprunner/loader.py
@@ -9,18 +9,12 @@ from typing import Tuple, Dict, Union, Text, List, Callable
 import yaml
 from loguru import logger
 from pydantic import ValidationError
+from yaml.loader import FullLoader
 
 from httprunner import builtin, utils
 from httprunner import exceptions
 from httprunner.models import TestCase, ProjectMeta, TestSuite
 
-try:
-    # PyYAML version >= 5.1
-    # ref: https://github.com/yaml/pyyaml/wiki/PyYAML-yaml.load(input)-Deprecation
-    yaml.warnings({"YAMLLoadWarning": False})
-except AttributeError:
-    pass
-
 
 project_meta: Union[ProjectMeta, None] = None
 
@@ -30,7 +24,7 @@ def _load_yaml_file(yaml_file: Text) -> Dict:
     """
     with open(yaml_file, mode="rb") as stream:
         try:
-            yaml_content = yaml.load(stream)
+            yaml_content = yaml.load(stream, loader=FullLoader)
         except yaml.YAMLError as ex:
             err_msg = f"YAMLError:\nfile: {yaml_file}\nerror: {ex}"
             logger.error(err_msg)