diff --git a/requirements.txt b/requirements.txt
index 07a74f9..bfe21f2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,2 @@
-Cython==0.29.20
+Cython==0.29.20; python_version < "3.13"
+Cython>=3.0.12,<4; python_version >= "3.13"
diff --git a/setup.py b/setup.py
index 337ad4c..82ee1d3 100644
--- a/setup.py
+++ b/setup.py
@@ -33,7 +33,10 @@
     description="python代码一键加密",
     long_description=long_description,
     long_description_content_type="text/markdown",
-    install_requires=["Cython==0.29.20"],
+    install_requires=[
+        "Cython==0.29.20; python_version < '3.13'",
+        "Cython>=3.0.12,<4; python_version >= '3.13'",
+    ],
     entry_points={"console_scripts": ["jmpy = jmpy.cmdline:execute"]},
     url="https://github.com/Boris-code/jmpy.git",
     packages=packages,