diff --git a/rest_framework/request.py b/rest_framework/request.py
index 40467c03d..4895ca9cc 100644
--- a/rest_framework/request.py
+++ b/rest_framework/request.py
@@ -418,3 +418,9 @@ class Request(object):
         Proxy other attributes to the underlying HttpRequest object.
         """
         return getattr(self._request, attr)
+    
+    def __setattr__(self, attr, value):
+        """
+        Proxy other attributes to the underlying HttpRequest object.
+        """
+        return setattr(self._request, attr, value)