diff --git a/django/shortcuts/__init__.py b/django/shortcuts/__init__.py
index 9f97cae955..154f224671 100644
--- a/django/shortcuts/__init__.py
+++ b/django/shortcuts/__init__.py
@@ -16,7 +16,7 @@ def render_to_response(*args, **kwargs):
     Returns a HttpResponse whose content is filled with the result of calling
     django.template.loader.render_to_string() with the passed arguments.
     """
-    httpresponse_kwargs = {'mimetype': kwargs.pop('mimetype', None)}
+    httpresponse_kwargs = {'content_type': kwargs.pop('mimetype', None)}
     return HttpResponse(loader.render_to_string(*args, **kwargs), **httpresponse_kwargs)
 
 def render(request, *args, **kwargs):
diff --git a/django/views/csrf.py b/django/views/csrf.py
index d58a1404e9..c95d19d56d 100644
--- a/django/views/csrf.py
+++ b/django/views/csrf.py
@@ -101,4 +101,4 @@ def csrf_failure(request, reason=""):
                  'reason': reason,
                  'no_referer': reason == REASON_NO_REFERER
                  })
-    return HttpResponseForbidden(t.render(c), mimetype='text/html')
+    return HttpResponseForbidden(t.render(c), content_type='text/html')
diff --git a/django/views/debug.py b/django/views/debug.py
index 25eee4a91a..3414cb193c 100644
--- a/django/views/debug.py
+++ b/django/views/debug.py
@@ -63,10 +63,10 @@ def technical_500_response(request, exc_type, exc_value, tb):
     reporter = ExceptionReporter(request, exc_type, exc_value, tb)
     if request.is_ajax():
         text = reporter.get_traceback_text()
-        return HttpResponseServerError(text, mimetype='text/plain')
+        return HttpResponseServerError(text, content_type='text/plain')
     else:
         html = reporter.get_traceback_html()
-        return HttpResponseServerError(html, mimetype='text/html')
+        return HttpResponseServerError(html, content_type='text/html')
 
 # Cache for the default exception reporter filter instance.
 default_exception_reporter_filter = None
@@ -443,7 +443,7 @@ def technical_404_response(request, exception):
         'request': request,
         'settings': get_safe_settings(),
     })
-    return HttpResponseNotFound(t.render(c), mimetype='text/html')
+    return HttpResponseNotFound(t.render(c), content_type='text/html')
 
 def empty_urlconf(request):
     "Create an empty URLconf 404 error response."
@@ -451,7 +451,7 @@ def empty_urlconf(request):
     c = Context({
         'project_name': settings.SETTINGS_MODULE.split('.')[0]
     })
-    return HttpResponse(t.render(c), mimetype='text/html')
+    return HttpResponse(t.render(c), content_type='text/html')
 
 #
 # Templates are embedded in the file so that we know the error handler will
diff --git a/django/views/static.py b/django/views/static.py
index 1d7891e3f4..64f0b1c262 100644
--- a/django/views/static.py
+++ b/django/views/static.py
@@ -58,9 +58,9 @@ def serve(request, path, document_root=None, show_indexes=False):
     mimetype = mimetype or 'application/octet-stream'
     if not was_modified_since(request.META.get('HTTP_IF_MODIFIED_SINCE'),
                               statobj.st_mtime, statobj.st_size):
-        return HttpResponseNotModified(mimetype=mimetype)
+        return HttpResponseNotModified(content_type=mimetype)
     with open(fullpath, 'rb') as f:
-        response = HttpResponse(f.read(), mimetype=mimetype)
+        response = HttpResponse(f.read(), content_type=mimetype)
     response["Last-Modified"] = http_date(statobj.st_mtime)
     if stat.S_ISREG(statobj.st_mode):
         response["Content-Length"] = statobj.st_size
diff --git a/tests/regressiontests/test_client_regress/views.py b/tests/regressiontests/test_client_regress/views.py
index 3a934ea047..8792a97dc0 100644
--- a/tests/regressiontests/test_client_regress/views.py
+++ b/tests/regressiontests/test_client_regress/views.py
@@ -84,7 +84,7 @@ def return_json_file(request):
                                 cls=DjangoJSONEncoder,
                                 ensure_ascii=False)
     response = HttpResponse(obj_json.encode(charset), status=200,
-                            mimetype='application/json; charset=%s' % charset)
+                            content_type='application/json; charset=%s' % charset)
     response['Content-Disposition'] = 'attachment; filename=testfile.json'
     return response