diff --git a/Dockerfile b/Dockerfile
index de5dd9f..c00b1ba 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.5
+FROM python:3.6
 MAINTAINER Josh Mandel
 
 # Install required packages
diff --git a/requirements.txt b/requirements.txt
index ddefd8d..ad933ec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,27 +7,30 @@ behave==1.2.5
 billiard==3.5.0.2
 bitarray==0.8.1
 celery==4.0.0
-click==6.6
+certifi==2017.7.27.1
+chardet==3.0.4
+click==6.7
 colorama==0.3.7
 cookies==2.2.1
 coverage==4.1
 EasyProcess==0.2.2
 enum34==1.1.6
 fhirclient==1.0.4
-Flask==0.11.1
+Flask==0.12.2
 flask-log==0.1.0
-Flask-SocketIO==2.7.2
+Flask-SocketIO==2.9.2
 Flask-SQLAlchemy==2.1
-gevent==1.1.1
-greenlet==0.4.10
+gevent==1.2.2
+greenlet==0.4.12
 grequests==0.3.0
 httpretty==0.8.14
+idna==2.6
 isodate==0.5.4
 itsdangerous==0.24
-Jinja2==2.8
+Jinja2==2.9.6
 kombu==4.0.0
 lazy-object-proxy==1.2.2
-MarkupSafe==0.23
+MarkupSafe==1.0
 parse==1.6.6
 parse-type==0.3.4
 pep8==1.7.0
@@ -37,16 +40,17 @@ pybloomfiltermmap==0.3.15
 pylint==1.5.5
 pytest==2.9.1
 pytest-cov==2.2.1
-python-engineio==1.0.3
-python-socketio==1.6.0
+python-engineio==1.7.0
+python-socketio==1.8.0
 pytz==2016.7
 PyYAML==3.11
 redis==2.10.5
-requests==2.10.0
+requests==2.18.4
 selenium==2.53.2
-six==1.10.0
+six==1.11.0
 SQLAlchemy==1.1.3
+urllib3==1.22
 uWSGI==2.0.13.1
 vine==1.1.3
-Werkzeug==0.11.11
+Werkzeug==0.12.2
 wrapt==1.10.8
diff --git a/testsuite/application.py b/testsuite/application.py
index 8e8499d..210aa9c 100644
--- a/testsuite/application.py
+++ b/testsuite/application.py
@@ -3,8 +3,12 @@
 import os
 
 from flask import Flask
+import grequests
+import requests
 
-ASYNC_MODE = 'threading'
+
+
+ASYNC_MODE = 'gevent'
 PING_INTERVAL = 59
 
 
diff --git a/testsuite/celeryconfig.py b/testsuite/celeryconfig.py
index bf0d792..c55ef9c 100644
--- a/testsuite/celeryconfig.py
+++ b/testsuite/celeryconfig.py
@@ -1,5 +1,10 @@
 """ Celery configuration.
 """
+
+
+import grequests
+import requests
+
 # Broker settings
 BROKER_URL = 'redis://localhost:6379/'