diff --git a/.travis.yml b/.travis.yml
index 4e8e1bf9..d4596de3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -31,6 +31,7 @@ install:
     - if [ $JHUB_VER != "master" -a $JHUB_VER != "0.9.0b2" ]; then pip install "tornado<5.0"; fi
     - pip install --pre -f travis-wheels/wheelhouse -r jupyterhub/dev-requirements.txt
     - pip install --pre -e jupyterhub
+    - pip install --pre -f travis-wheels/wheelhouse -r requirements.txt
 
 script:
     - travis_retry py.test --lf --cov batchspawner batchspawner/tests -v
diff --git a/batchspawner/batchspawner.py b/batchspawner/batchspawner.py
index ac2a68f9..597b0167 100644
--- a/batchspawner/batchspawner.py
+++ b/batchspawner/batchspawner.py
@@ -17,11 +17,18 @@
 """
 import pwd
 import os
+import sys
 
 import xml.etree.ElementTree as ET
 
 from jinja2 import Template
 
+# For the progress method of JupyterHub 0.9, requiring Python 3.5+.
+# If not supported, don't support it which is OK.
+if sys.version_info >= (3, 5):
+    import asyncio
+    from async_generator import async_generator, yield_, yield_from_
+
 from tornado import gen
 from tornado.process import Subprocess
 from subprocess import CalledProcessError
@@ -394,6 +401,27 @@ def stop(self, now=False):
                              self.job_id, self.current_ip, self.port)
                 )
 
+    # The progress method is only supported on JupyterHub 0.9, which
+    # only supports Python 3.5+.  It requires asyncio coroutines.
+    if sys.version_info >= (3, 5):
+        @async_generator
+        async def progress(self):
+            while True:
+                if self.state_ispending():
+                    await yield_({
+                        "message": "Pending in queue...",
+                    })
+                elif self.state_isrunning():
+                    await yield_({
+                        "message": "Cluster job running... waiting to connect",
+                    })
+                    return
+                else:
+                    await yield_({
+                        "message": "Unknown status...",
+                    })
+                await gen.sleep(.1)
+
 import re
 
 class BatchSpawnerRegexStates(BatchSpawnerBase):
diff --git a/requirements.txt b/requirements.txt
index ee0a79e1..e7d37df9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
+async_generator>=1.8; python_version >= '3.5'
 jinja2
 jupyterhub>=0.5