diff --git a/Doc/library/json.rst b/Doc/library/json.rst
--- a/Doc/library/json.rst
+++ b/Doc/library/json.rst
@@ -141,6 +141,9 @@ Basic Usage
    indents that many spaces per level.  If *indent* is a string (such at '\t'),
    that string is used to indent each level.
 
+   .. versionchanged:: 3.2
+      Allow strings for *indent* in addition to integers.
+
    If *separators* is an ``(item_separator, dict_separator)`` tuple, then it
    will be used instead of the default ``(', ', ': ')`` separators.  ``(',',
    ':')`` is the most compact JSON representation.
diff --git a/Lib/test/json_tests/test_indent.py b/Lib/test/json_tests/test_indent.py
--- a/Lib/test/json_tests/test_indent.py
+++ b/Lib/test/json_tests/test_indent.py
@@ -32,16 +32,22 @@ class TestIndent:
         d1 = self.dumps(h)
         d2 = self.dumps(h, indent=2, sort_keys=True, separators=(',', ': '))
         d3 = self.dumps(h, indent='\t', sort_keys=True, separators=(',', ': '))
+        out = StringIO()
+        self.json.dump(h, fp=out, indent='\t', sort_keys=True, separators=(',', ': '))
+        d4 = out.getvalue()
 
         h1 = self.loads(d1)
         h2 = self.loads(d2)
         h3 = self.loads(d3)
+        h4 = self.loads(d4)
 
         self.assertEqual(h1, h)
         self.assertEqual(h2, h)
         self.assertEqual(h3, h)
+        self.assertEqual(h4, h)
         self.assertEqual(d2, expect.expandtabs(2))
         self.assertEqual(d3, expect)
+        self.assertEqual(d4, expect)
 
     def test_indent0(self):
         h = {3: 1}