diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 333a608d..75a1127a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -6,7 +6,7 @@ jobs:
   unittest:
     strategy:
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
     runs-on: macos-13
     name: Python ${{ matrix.python-version }} tests
     steps:
@@ -27,7 +27,7 @@ jobs:
   unittest-arm64:
     strategy:
       matrix:
-        python-version: ["3.8.10", "3.9.13", "3.10.11", "3.11.9"]
+        python-version: ["3.8.10", "3.9.13", "3.10.11", "3.11.9", "3.12.7"]
     runs-on: macos-latest
     name: Python ${{ matrix.python-version }} tests
     steps:
diff --git a/lyrebird/compatibility.py b/lyrebird/compatibility.py
index 05bfafe3..99bb50a4 100644
--- a/lyrebird/compatibility.py
+++ b/lyrebird/compatibility.py
@@ -32,7 +32,7 @@ def decorator(func):
 '''
 
 PYTHON_MIN_VERSION = (3, 8, 0)
-PYTHON_MAX_VERSION = (3, 11, float('inf'))
+PYTHON_MAX_VERSION = (3, 13, float('inf'))
 
 
 '''
diff --git a/lyrebird/event.py b/lyrebird/event.py
index b03f4be3..191f6bae 100644
--- a/lyrebird/event.py
+++ b/lyrebird/event.py
@@ -5,7 +5,6 @@
 Run events handler and background task worker
 """
 import os
-import imp
 import sys
 import copy
 import uuid
@@ -71,7 +70,10 @@ def import_func_module(path):
         if pkg in sys.modules:
             continue
         sys.path.append(str(Path(path)/pkg))
-        imp.load_package(pkg, Path(path)/pkg)
+        spec = importlib.util.spec_from_file_location(pkg, str(Path(path)/pkg/'__init__.py'))
+        module = importlib.util.module_from_spec(spec)
+        sys.modules[pkg] = module
+        spec.loader.exec_module(module)
 
 
 def import_func_from_file(filepath, func_name):
diff --git a/lyrebird/mock/blueprints/core.py b/lyrebird/mock/blueprints/core.py
index 81c9df71..cc2492be 100644
--- a/lyrebird/mock/blueprints/core.py
+++ b/lyrebird/mock/blueprints/core.py
@@ -52,13 +52,13 @@ def index(path=''):
         resp = Response(
             gen(),
             status=req_context.flow['response']['code'],
-            headers=req_context.flow['response']['headers']
+            headers=req_context.get_response_headers()
         )
     elif req_context.flow['response']:
         resp = Response(
             req_context.flow['response'].get('data', ''),
             status=req_context.flow['response'].get('code', 200),
-            headers=req_context.flow['response'].get('headers', {})
+            headers=req_context.get_response_headers()
         )
     else:
         path_not_found_handler.handle(req_context)
diff --git a/lyrebird/mock/handlers/handler_context.py b/lyrebird/mock/handlers/handler_context.py
index 2d871b50..d7b68c8c 100644
--- a/lyrebird/mock/handlers/handler_context.py
+++ b/lyrebird/mock/handlers/handler_context.py
@@ -19,6 +19,7 @@
 
 logger = get_logger()
 proxy_handler = ProxyHandler()
+lyrebird_response_headers = None
 
 
 class HandlerContext:
@@ -221,7 +222,20 @@ def get_request_headers(self):
                 continue
             headers[name] = value
         return headers
-    
+
+    # Before response returns, remove the Lyrebird internal headers
+    def get_response_headers(self):
+        global lyrebird_response_headers
+        if not lyrebird_response_headers:
+            lyrebird_response_headers = application.config.get('proxy.response.delete_headers', [])
+
+        headers = self.flow['response'].get('headers', {})
+        lyrebird_response_headers = []
+        for key in lyrebird_response_headers:
+            if key in headers:
+                del headers[key]
+        return headers
+
     def get_request_cookies(self, in_request_handler=True):
         if in_request_handler:
             return self.request.cookies
diff --git a/lyrebird/plugins/plugin_loader.py b/lyrebird/plugins/plugin_loader.py
index df11fb57..c0431d10 100644
--- a/lyrebird/plugins/plugin_loader.py
+++ b/lyrebird/plugins/plugin_loader.py
@@ -1,5 +1,4 @@
 import os
-import imp
 import inspect
 import traceback
 from pathlib import Path
@@ -7,6 +6,8 @@
 
 import pkg_resources
 import setuptools
+import importlib
+
 
 from ..log import get_logger
 from .plugin import Plugin
@@ -141,7 +142,12 @@ def load_from_path(plugin_path):
             sys.modules.pop(pkg)
         if pkg+'.manifest' in sys.modules:
             sys.modules.pop(pkg+'.manifest')
-        imp.load_package(pkg, Path(plugin_path)/pkg)
+
+        spec = importlib.util.spec_from_file_location(pkg, str(Path(plugin_path)/pkg/'__init__.py'))
+        module = importlib.util.module_from_spec(spec)
+        sys.modules[pkg] = module
+        spec.loader.exec_module(module)
+
         __import__(pkg+'.manifest')
 
     # There can only one manifest in each plugin
diff --git a/lyrebird/version.py b/lyrebird/version.py
index b1599561..b75092e9 100644
--- a/lyrebird/version.py
+++ b/lyrebird/version.py
@@ -1,3 +1,3 @@
-IVERSION = (3, 1, 2)
+IVERSION = (3, 2, 0)
 VERSION = ".".join(str(i) for i in IVERSION)
 LYREBIRD = "Lyrebird " + VERSION
diff --git a/requirements.txt b/requirements.txt
index b3b2f073..293ad213 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,3 +14,5 @@ netifaces==0.11.0
 jsonschema==4.17.0
 Flask-Cors==4.0.0
 redis==4.6.0
+setuptools
+sortedcontainers
diff --git a/requirements.txt.lock b/requirements.txt.lock
index b0dc31f3..2f19f677 100644
--- a/requirements.txt.lock
+++ b/requirements.txt.lock
@@ -1,4 +1,25 @@
-aiohttp==3.8.3
+aiohttp==3.9; python_version > "3.11"
+urllib3==1.26.20; python_version > "3.11"
+Werkzeug==3.1.3; python_version > "3.11"
+yarl==1.9.4; python_version > "3.11"
+Flask==3.1.0; python_version > "3.11"
+frozenlist==1.5; python_version > "3.11"
+itsdangerous==2.2.0; python_version > "3.11"
+multidict==6.1.0; python_version > "3.11"
+Pillow==11.0.0; python_version > "3.11"
+setuptools==75; python_version > "3.11"
+
+aiohttp==3.8.3; python_version <= "3.11"
+urllib3==1.24.3; python_version <= "3.11"
+Werkzeug==2.2.2; python_version <= "3.11"
+yarl==1.8.1; python_version <= "3.11"
+Flask==2.2.2; python_version <= "3.11"
+frozenlist==1.3.1; python_version <= "3.11"
+itsdangerous==2.1.2; python_version <= "3.11"
+multidict==6.0.2; python_version <= "3.11"
+Pillow==9.4.0; python_version <= "3.11"
+setuptools==70; python_version <= "3.11"
+
 aiosignal==1.2.0
 aniso8601==9.0.1
 async-timeout==4.0.2
@@ -11,21 +32,16 @@ chardet==3.0.4
 charset-normalizer==2.1.1
 click==8.1.3
 colorama==0.4.1
-Flask==2.2.2
 Flask-RESTful==0.3.9
 Flask-SocketIO==5.3.0
 Flask-Cors==4.0.0
-frozenlist==1.3.1
 idna==2.8
 importlib-metadata==5.0.0
-itsdangerous==2.1.2
 Jinja2==3.1.2
 jsonschema==4.17.0
 MarkupSafe==2.1.1
-multidict==6.0.2
 netifaces==0.11.0
 packaging==19.0
-Pillow==9.4.0
 portpicker==1.3.1
 pycodestyle==2.9.1
 pyparsing==3.0.9
@@ -39,8 +55,5 @@ six==1.16.0
 soupsieve==2.3.2.post1
 SQLAlchemy==1.3.22
 toml==0.10.2
-urllib3==1.24.3
-Werkzeug==2.2.2
-yarl==1.8.1
 zipp==3.10.0
 redis==4.6.0
diff --git a/setup.py b/setup.py
index 2247e084..e957d9ed 100644
--- a/setup.py
+++ b/setup.py
@@ -31,11 +31,12 @@ def read_requirements(name):
     zip_safe=False,
     classifiers=[
         "Programming Language :: Python :: 3 :: Only",
-        "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
         "License :: OSI Approved :: MIT License",
         "Operating System :: MacOS",
         "Operating System :: Microsoft :: Windows",