diff --git a/aiohttp_graphql/graphqlview.py b/aiohttp_graphql/graphqlview.py
index dfe27fc..c20dbe0 100644
--- a/aiohttp_graphql/graphqlview.py
+++ b/aiohttp_graphql/graphqlview.py
@@ -4,10 +4,9 @@
 from promise import Promise
 from aiohttp import web
 from graphql.type.schema import GraphQLSchema
-from graphql.execution.executors.asyncio import AsyncioExecutor
+from graphql import format_error as default_format_error
 from graphql_server import (
     HttpQueryError,
-    default_format_error,
     encode_execution_results,
     json_encode,
     load_json_body,
@@ -21,7 +20,6 @@ class GraphQLView:  # pylint: disable = too-many-instance-attributes
     def __init__(
         self,
         schema=None,
-        executor=None,
         root_value=None,
         context=None,
         pretty=False,
@@ -34,14 +32,13 @@ def __init__(
         max_age=86400,
         encoder=None,
         error_formatter=None,
-        enable_async=True,
+        field_resolver=None,
         subscriptions=None,
-        **execution_options,
+        **execution_options
     ):
         # pylint: disable=too-many-arguments
 
         self.schema = schema
-        self.executor = executor
         self.root_value = root_value
         self.context = context
         self.pretty = pretty
@@ -54,7 +51,7 @@ def __init__(
         self.max_age = max_age
         self.encoder = encoder or json_encode
         self.error_formatter = error_formatter or default_format_error
-        self.enable_async = enable_async and isinstance(self.executor, AsyncioExecutor)
+        self.field_resolver = field_resolver
         self.subscriptions = subscriptions
         self.execution_options = execution_options
         assert isinstance(
@@ -139,19 +136,13 @@ async def __call__(self, request):
                 batch_enabled=self.batch,
                 catch=is_graphiql,
                 # Execute options
-                return_promise=self.enable_async,
                 root_value=self.root_value,
                 context_value=self.get_context(request),
                 middleware=self.middleware,
-                executor=self.executor,
+                field_resolver=self.field_resolver,
                 **self.execution_options,
             )
 
-            if is_graphiql and self.enable_async:
-                # catch errors like run_http_query does when async
-                execution_results = [
-                    result.catch(lambda value: None) for result in execution_results
-                ]
             awaited_execution_results = await Promise.all(execution_results)
             result, status_code = encode_execution_results(
                 awaited_execution_results,
@@ -197,7 +188,7 @@ def process_preflight(self, request):
     @classmethod
     def attach(cls, app, *, route_path="/graphql", route_name="graphql", **kwargs):
         view = cls(**kwargs)
-        app.router.add_route("*", route_path, _asyncify(view), name=route_name)
+        return app.router.add_route("*", route_path, _asyncify(view), name=route_name)
 
 
 def _asyncify(handler):
diff --git a/setup.py b/setup.py
index c1440d1..150d16c 100644
--- a/setup.py
+++ b/setup.py
@@ -23,9 +23,12 @@
     keywords="api graphql protocol aiohttp",
     packages=find_packages(exclude=["tests"]),
     install_requires=[
-        "graphql-core>=2.3,<3",
-        "graphql-server-core>=1.2,<2",
-        "aiohttp>=3,<4",
+        'graphql-core-next',
+        'aiohttp>=4.0.0a',
+        'pytest-runner',
+        'graphql-server-core@git+https://github.com/x0y-gt/graphql-server-core#egg=graphql-server-core-1.1',
+        'promise',
+        'asyncio',
     ],
     extras_require={
         "test": [