diff --git a/CHANGES.rst b/CHANGES.rst
index b5ec3e1..5de34cb 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -7,6 +7,8 @@
 
 - Replace deprecated multipart argument ``memfile_limit`` with ``spool_limit``
 
+- The multipart default value of ``part_limit`` is 128. We have forms with
+  more than 128 fields - choosing 1024 as a safe upper limit.
 
 7.1 (2024-09-27)
 ================
diff --git a/src/zope/publisher/browser.py b/src/zope/publisher/browser.py
index b4c677a..f46a89e 100644
--- a/src/zope/publisher/browser.py
+++ b/src/zope/publisher/browser.py
@@ -341,7 +341,8 @@ def processInputs(self):
             if env.get('CONTENT_LENGTH') == '':
                 env.pop('CONTENT_LENGTH')
             forms, files = multipart.parse_form_data(
-                env, charset=self.default_form_charset, spool_limit=0)
+                env, charset=self.default_form_charset, part_limit=1024,
+                spool_limit=0)
             items.extend(forms.iterallitems())
             for key, item in files.iterallitems():
                 # multipart puts fields in 'files' even if no upload was