diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 6a38039..93fbe10 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -7,6 +7,10 @@ Changelog
 .. This document is user facing. Please word the changes in such a way
 .. that users understand how the changes affect the new version.
 
+version 0.5.0-dev
+-----------------
++ Fix compatibility with Python 3.13
+
 version 0.4.0
 -----------------
 + Add a ``gzip_ng_threaded`` module that contains the ``gzip_ng_threaded.open``
diff --git a/src/zlib_ng/zlib_ngmodule.c b/src/zlib_ng/zlib_ngmodule.c
index d0e528a..79fa29d 100644
--- a/src/zlib_ng/zlib_ngmodule.c
+++ b/src/zlib_ng/zlib_ngmodule.c
@@ -2810,7 +2810,7 @@ GzipReader_readall(GzipReader *self, PyObject *Py_UNUSED(ignore))
         Py_DECREF(chunk_list);
         return NULL;
     }
-    PyObject *ret = _PyBytes_Join(empty_bytes, chunk_list);
+    PyObject *ret = PyObject_CallMethod(empty_bytes, "join", "O", chunk_list);
     Py_DECREF(empty_bytes);
     Py_DECREF(chunk_list);
     return ret;