diff --git a/Misc/NEWS.d/next/C API/2023-08-28-17-58-46.gh-issue-85283.-4lp73.rst b/Misc/NEWS.d/next/C API/2023-08-28-17-58-46.gh-issue-85283.-4lp73.rst
new file mode 100644
index 00000000000000..ae756295de27f7
--- /dev/null
+++ b/Misc/NEWS.d/next/C API/2023-08-28-17-58-46.gh-issue-85283.-4lp73.rst	
@@ -0,0 +1,2 @@
+The ``_scproxy`` (macOS) C extension is now built with the :ref:`limited C API
+<limited-c-api>`. Patch by Victor Stinner.
diff --git a/Modules/_scproxy.c b/Modules/_scproxy.c
index 0df0324df55f7d..16b70079fe6a87 100644
--- a/Modules/_scproxy.c
+++ b/Modules/_scproxy.c
@@ -2,6 +2,8 @@
  * Helper method for urllib to fetch the proxy configuration settings
  * using the SystemConfiguration framework.
  */
+#define Py_LIMITED_API 0x030d0000
+
 #include <Python.h>
 #include <SystemConfiguration/SystemConfiguration.h>
 
@@ -84,7 +86,7 @@ get_proxy_settings(PyObject* Py_UNUSED(mod), PyObject *Py_UNUSED(ignored))
     if (v == NULL) goto error;
 
     r = PyDict_SetItemString(result, "exclude_simple", v);
-    Py_SETREF(v, NULL);
+    Py_CLEAR(v);
     if (r == -1) goto error;
 
     anArray = CFDictionaryGetValue(proxyDict,