diff --git a/rest_framework_dyn_serializer.py b/rest_framework_dyn_serializer.py
index f2f63ce..42d6353 100644
--- a/rest_framework_dyn_serializer.py
+++ b/rest_framework_dyn_serializer.py
@@ -43,7 +43,7 @@ def __init__(self, *args, **kwargs):
                     for field_name, field_name in self.fields.items():
                         # assigning parent context to allow child serializers to update their fields
                         # later
-                        field_name.context = self.context
+                        field_name._context = self.context
                 else:
                     self.limit_fields = False
                     self.request_all_allowed_fields()
diff --git a/tox.ini b/tox.ini
index e86c12e..010fc14 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,12 +1,13 @@
 [tox]
-envlist = py{27,35}-django{9,10}-drf{34,35,36}
+envlist = py{27,35}-django{9,10,11}-drf{34,35,36}
 
 [testenv]
-envlist = py{27,35}-django{9,10}-drf{34,35,36}
+envlist = py{27,35}-django{9,10,11}-drf{34,35,36}
 
 deps =
     django9: Django>=1.9,<1.10
     django10: Django>=1.10,<1.11
+    django11: Django>=1.11,<1.12
     drf34: djangorestframework>=3.4.0,<3.5.0
     drf35: djangorestframework>=3.5.0,<3.6.0
     drf36: djangorestframework>=3.6.0,<3.7.0