diff --git a/requirements.txt b/requirements.txt
index 12e907e5..fb5820ab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,8 @@
 torch>=1.13.1
 transformers>=4.29.1
 datasets>=2.12.0
-accelerate>=0.19.0
-peft>=0.3.0
+accelerate>=0.21.0
+peft>=0.4.0
 trl>=0.4.7
 sentencepiece
 jieba
diff --git a/src/llmtuner/__init__.py b/src/llmtuner/__init__.py
index 46ff63b2..146ad353 100644
--- a/src/llmtuner/__init__.py
+++ b/src/llmtuner/__init__.py
@@ -1,4 +1,4 @@
 from llmtuner.chat import ChatModel
 
 
-__version__ = "0.1.2"
+__version__ = "0.1.3"
diff --git a/src/llmtuner/tuner/core/loader.py b/src/llmtuner/tuner/core/loader.py
index 025a37df..a4e2e7ea 100644
--- a/src/llmtuner/tuner/core/loader.py
+++ b/src/llmtuner/tuner/core/loader.py
@@ -27,8 +27,8 @@ logger = get_logger(__name__)
 
 check_min_version("4.29.1")
 require_version("datasets>=2.12.0", "To fix: pip install datasets>=2.12.0")
-require_version("accelerate>=0.19.0", "To fix: pip install accelerate>=0.19.0")
-require_version("peft>=0.3.0", "To fix: pip install peft>=0.3.0")
+require_version("accelerate>=0.21.0", "To fix: pip install accelerate>=0.21.0")
+require_version("peft>=0.4.0", "To fix: pip install peft>=0.4.0")
 require_version("trl>=0.4.7", "To fix: pip install trl>=0.4.7")
 
 
@@ -81,9 +81,6 @@ def load_model_and_tokenizer(
 
         elif model_args.quantization_bit == 4:
             require_version("bitsandbytes>=0.39.0", "To fix: pip install bitsandbytes>=0.39.0")
-            require_version("transformers>=4.30.1", "To fix: pip install transformers>=4.30.1")
-            require_version("accelerate>=0.20.3", "To fix: pip install accelerate>=0.20.3")
-            require_version("peft>=0.4.0.dev0", "To fix: pip install git+https://github.com/huggingface/peft.git")
             config_kwargs["load_in_4bit"] = True
             config_kwargs["quantization_config"] = BitsAndBytesConfig(
                 load_in_4bit=True,
diff --git a/src/llmtuner/webui/chat.py b/src/llmtuner/webui/chat.py
index ad3ebd8a..b721ad40 100644
--- a/src/llmtuner/webui/chat.py
+++ b/src/llmtuner/webui/chat.py
@@ -84,6 +84,12 @@ class WebChatModel(ChatModel):
             query, history, prefix, max_new_tokens=max_new_tokens, top_p=top_p, temperature=temperature
         ):
             response += new_text
+            response = self.postprocess(response)
             new_history = history + [(query, response)]
             chatbot[-1] = [query, response]
             yield chatbot, new_history
+
+    def postprocess(self, response: str) -> str:
+        response = response.replace("<", "&lt;")
+        response = response.replace(">", "&gt;")
+        return response