diff --git a/requirements.txt b/requirements.txt
index 56cc61764..c80ae7245 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,8 +2,8 @@ matplotlib>=3.5.2
 numpy>=1.24.4
 Pillow>=9.0.0
 progress>=1.6
-ruamel.yaml>=0.17.21
-ruamel.yaml.clib>=0.2.6
+ruamel.yaml>=0.18.0
+ruamel.yaml.clib>=0.2.7
 scikit-image>=0.19.3
 scikit-learn>=1.0.2
 scipy>=1.10.0
diff --git a/semilearn/core/utils/misc.py b/semilearn/core/utils/misc.py
index 2fd183932..dd0dea6da 100644
--- a/semilearn/core/utils/misc.py
+++ b/semilearn/core/utils/misc.py
@@ -4,7 +4,7 @@
 import os
 import torch
 import torch.nn as nn
-import ruamel.yaml as yaml
+from ruamel.yaml import YAML
 from torch.utils.tensorboard import SummaryWriter
 
 def over_write_args_from_dict(args, dict):
@@ -21,8 +21,9 @@ def over_write_args_from_file(args, yml):
     """
     if yml == '':
         return
+    yaml = YAML(typ='rt')
     with open(yml, 'r', encoding='utf-8') as f:
-        dic = yaml.load(f.read(), Loader=yaml.Loader)
+        dic = yaml.load(f)
         for k in dic:
             setattr(args, k, dic[k])