diff --git a/gns3server/compute/docker/__init__.py b/gns3server/compute/docker/__init__.py
index 5b41bd2c..048d5e47 100644
--- a/gns3server/compute/docker/__init__.py
+++ b/gns3server/compute/docker/__init__.py
@@ -107,7 +107,8 @@ class Docker(BaseManager):
         data = json.dumps(data)
         url = "http://docker/" + path
         try:
-            response = yield from aiohttp.request(
+            session = aiohttp.ClientSession()
+            response = yield from session.request(
                 method,
                 url,
                 connector=(yield from self.connector()),
@@ -116,6 +117,7 @@ class Docker(BaseManager):
                 headers={"content-type": "application/json", },
                 timeout=timeout
             )
+            yield from session.close()
         except (aiohttp.ClientResponseError, aiohttp.ClientOSError) as e:
             raise DockerError("Docker has returned an error: {}".format(str(e)))
         if response.status >= 300:
diff --git a/tests/compute/docker/test_docker.py b/tests/compute/docker/test_docker.py
index c71ef3fb..100c4fcc 100644
--- a/tests/compute/docker/test_docker.py
+++ b/tests/compute/docker/test_docker.py
@@ -44,7 +44,7 @@ def test_query_success(loop, vm):
         return b'{"c": false}'
 
     response.read.side_effect = read
-    with asyncio_patch("aiohttp.request", return_value=response) as mock:
+    with asyncio_patch("aiohttp.client.ClientSession.request", return_value=response) as mock:
         data = loop.run_until_complete(asyncio.async(vm.query("POST", "test", data={"a": True}, params={"b": 1})))
     mock.assert_called_with('POST',
                             'http://docker/test',
@@ -67,7 +67,7 @@ def test_query_error(loop, vm):
         return b"NOT FOUND"
 
     response.read.side_effect = read
-    with asyncio_patch("aiohttp.request", return_value=response) as mock:
+    with asyncio_patch("aiohttp.client.ClientSession.request", return_value=response) as mock:
         with pytest.raises(DockerError):
             data = loop.run_until_complete(asyncio.async(vm.query("POST", "test", data={"a": True}, params={"b": 1})))
     mock.assert_called_with('POST',
@@ -89,7 +89,7 @@ def test_query_error_json(loop, vm):
         return b'{"message": "Error"}'
 
     response.read.side_effect = read
-    with asyncio_patch("aiohttp.request", return_value=response) as mock:
+    with asyncio_patch("aiohttp.client.ClientSession.request", return_value=response) as mock:
         with pytest.raises(DockerError):
             data = loop.run_until_complete(asyncio.async(vm.query("POST", "test", data={"a": True}, params={"b": 1})))
     mock.assert_called_with('POST',