diff --git a/README.md b/README.md
index ccd5482..ede7e3c 100644
--- a/README.md
+++ b/README.md
@@ -2,10 +2,11 @@
 
 [![Build Status](https://github.com/FindDefinition/ccimport/workflows/build/badge.svg)](https://github.com/FindDefinition/ccimport/actions?query=workflow%3Abuild)
 
-a tiny package for fast python c++ binding build.
+A tiny package for fast python c++ binding build.
 
 ccimport 0.2.x support python 3.5.
 ccimport >= 0.3 support python 3.6-3.10.
+ccimport >=0.4.5 support 3.10-3.13
 
 ## Usage
 
diff --git a/ccimport/buildtools/writer.py b/ccimport/buildtools/writer.py
index 93e9131..813b597 100644
--- a/ccimport/buildtools/writer.py
+++ b/ccimport/buildtools/writer.py
@@ -7,7 +7,12 @@
 from pathlib import Path
 from typing import Any, Dict, List, Optional, Tuple, Type, Union
 
-from ninja.ninja_syntax import Writer
+
+try:
+    from ninja.ninja_syntax import Writer
+except ImportError:
+    from ninja_syntax import Writer  # from system ninja
+    
 from ccimport import compat
 from ccimport.constants import get_compiler_map, CXX, CUDACXX, HIPCXX
 from ccimport.buildmeta import BuildMeta
diff --git a/setup.py b/setup.py
index 5cb8426..a3775b0 100644
--- a/setup.py
+++ b/setup.py
@@ -23,10 +23,10 @@
 # What packages are required for this module to be executed?
 REQUIRED = [
     "pybind11",
-    "ninja",
+    "ninja_syntax",
     "requests",
-    "importlib-metadata>=2.0; python_version < \"3.8\"",
-    "dataclasses; python_version == \"3.6\"",
+    "importlib-metadata>=2.0",
+    "dataclasses",
 ]
 
 # What packages are optional?
diff --git a/version.txt b/version.txt
index b300caa..c8a5397 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-0.4.4
\ No newline at end of file
+0.4.5
\ No newline at end of file