diff --git a/zuul_registry/swift.py b/zuul_registry/swift.py
index 6c28282..80ef2b7 100644
--- a/zuul_registry/swift.py
+++ b/zuul_registry/swift.py
@@ -65,7 +65,19 @@ class SwiftDriver(storageutils.StorageDriver):
 
     def list_objects(self, path):
         self.log.debug("List objects %s", path)
-        url = self.get_url('') + '?prefix=%s&delimiter=/&format=json' % (path,)
+        marker = ''
+        ret = []
+        while inner_ret := self._list_objects(path, marker):
+            # Swift limits the total number of responses per request
+            # (typically 10k) so we have to paginate and accumulate responses.
+            ret.extend(inner_ret)
+            marker = inner_ret[-1].path
+        return ret
+
+    def _list_objects(self, path, marker):
+        # TODO should path and marker be url encoded?
+        url = self.get_url('') + \
+            '?prefix=%s&delimiter=/&format=json&marker=%s' % (path, marker)
         ret = retry_function(
             lambda: self.conn.session.get(url).content.decode('utf8'))
         data = json.loads(ret)