diff --git a/Misc/NEWS b/Misc/NEWS
index a80238a..b289b54 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -34,6 +34,9 @@
 Library
 -------
 
+- Issue #14829: Fix bisect and range() indexing with large indices
+  (>= 2 ** 32) under 64-bit Windows.
+
 - Issue #14732: The _csv module now uses PEP 3121 module initialization.
   Patch by Robin Schreiber.
 
diff --git a/Modules/_bisectmodule.c b/Modules/_bisectmodule.c
index 4d0a2e4..faca8cf 100644
--- a/Modules/_bisectmodule.c
+++ b/Modules/_bisectmodule.c
@@ -3,6 +3,7 @@
 Converted to C by Dmitry Vasiliev (dima at hlabs.spb.ru).
 */
 
+#define PY_SSIZE_T_CLEAN
 #include "Python.h"
 
 static Py_ssize_t
@@ -195,8 +196,7 @@
             return NULL;
     } else {
         _Py_IDENTIFIER(insert);
-
-        result = _PyObject_CallMethodId(list, &PyId_insert, "iO", index, item);
+        result = _PyObject_CallMethodId(list, &PyId_insert, "nO", index, item);
         if (result == NULL)
             return NULL;
         Py_DECREF(result);
diff --git a/Objects/rangeobject.c b/Objects/rangeobject.c
index 99544d6..c47a4ff 100644
--- a/Objects/rangeobject.c
+++ b/Objects/rangeobject.c
@@ -308,7 +308,7 @@
 static PyObject *
 range_item(rangeobject *r, Py_ssize_t i)
 {
-    PyObject *res, *arg = PyLong_FromLong(i);
+    PyObject *res, *arg = PyLong_FromSsize_t(i);
     if (!arg) {
         return NULL;
     }