diff --git a/README.md b/README.md
index 515490cda..e4b472cc7 100644
--- a/README.md
+++ b/README.md
@@ -16,10 +16,10 @@ A [finished example](https://lemurian.herokuapp.com) that demonstrates some basi
 - There is some boilerplate HTML in `templates/`
 - Create Heroku application with `heroku create <app_name>` or leave blank to
   auto-generate a name.
-- (Suggested) Use the [conda buildpack](https://github.com/kennethreitz/conda-buildpack).
+- (Suggested) Use the [conda buildpack](https://github.com/thedataincubator/conda-buildpack).
   If you choose not to, put all requirements into `requirements.txt`
 
-  `heroku config:add BUILDPACK_URL=https://github.com/kennethreitz/conda-buildpack.git`
+  `heroku config:add BUILDPACK_URL=https://github.com/thedataincubator/conda-buildpack.git#py3`
 
   The advantages of conda include easier virtual environment management and fast package installation from binaries (as compared to the compilation that pip-installed packages sometimes require).
   One disadvantage is that binaries take up a lot of memory, and the slug pushed to Heroku is limited to 300 MB. Another note is that the conda buildpack is being deprecated in favor of a Docker solution (see [docker branch](https://github.com/thedataincubator/flask-framework/tree/docker) of this repo for an example).
diff --git a/requirements.txt b/requirements.txt
index 9cbebb2d6..7e2819289 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
-gunicorn==19.7.1
-requests==2.18.4
+gunicorn==19.9.0
+requests==2.19.1
diff --git a/runtime.txt b/runtime.txt
index 538568204..486fcce12 100644
--- a/runtime.txt
+++ b/runtime.txt
@@ -1 +1 @@
-python-2.7.14
+python-3.6.5