diff --git a/README.md b/README.md
index 8a80fc43cd..b7552a5885 100644
--- a/README.md
+++ b/README.md
@@ -71,8 +71,8 @@ This is documented in [the developer installation guide][dev-install].
 
 ## Running Zulip in production
 
-Zulip in production supports Ubuntu 14.04 Trusty and Ubuntu 16.04
-Xenial. We're happy to support work to enable Zulip to run on
+Zulip in production supports Ubuntu 16.04 Xenial and Ubuntu 14.04
+Trusty. We're happy to support work to enable Zulip to run on
 additional platforms. The installation process is
 [documented here](https://zulip.readthedocs.io/en/latest/prod.html).
 
diff --git a/docs/dev-setup-non-vagrant.md b/docs/dev-setup-non-vagrant.md
index 0afa0ac767..164ac43319 100644
--- a/docs/dev-setup-non-vagrant.md
+++ b/docs/dev-setup-non-vagrant.md
@@ -12,7 +12,7 @@ Start by cloning this repository: `git clone
 https://github.com/zulip/zulip.git`
 
 If you'd like to install a Zulip development environment on a computer
-that's already running Ubuntu 14.04 Trusty or Ubuntu 16.04 Xenial, you
+that's already running Ubuntu 16.04 Xenial or Ubuntu 14.04 Trusty, you
 can do that by just running:
 
 ```
diff --git a/docs/prod-install.md b/docs/prod-install.md
index f11f48084b..e348c440cf 100644
--- a/docs/prod-install.md
+++ b/docs/prod-install.md
@@ -8,7 +8,10 @@ You will need an Ubuntu system that satisfies
 [the installation requirements](prod-requirements.html).  In short,
 you need:
 * Either a dedicated machine, or a fresh VM on an existing machine.
-* Ubuntu 14.04 Trusty or Ubuntu 16.04 Xenial, 64-bit.
+* Ubuntu 16.04 Xenial or Ubuntu 14.04 Trusty, 64-bit.  If you have a
+  choice, install on Xenial, since Trusty is approaching its
+  end-of-life and you'll save yourself the work of upgrading a
+  production installation.
 * At least 2GB RAM and 10 GB disk space (4GB and 2 CPUs recommended for 100+ users).
 * A DNS name, an SSL certificate, and credentials for sending email.
 
diff --git a/docs/prod-requirements.md b/docs/prod-requirements.md
index c4d320a17c..ec62fce2cb 100644
--- a/docs/prod-requirements.md
+++ b/docs/prod-requirements.md
@@ -23,8 +23,10 @@ can't support you, but
 
 #### Operating System
 
-Ubuntu 14.04 Trusty and Ubuntu 16.04 Xenial are supported for running
-Zulip in production. 64-bit is recommended.
+Ubuntu 16.04 Xenial and Ubuntu 14.04 Trusty are supported for running
+Zulip in production.  64-bit is recommended.  We recommend Xenial if
+you have a choice, since 14.04 is approaching end-of-life and you'll
+save yourself the work of upgrading in a few months.
 
 #### Hardware Specifications