diff --git a/docs/install/server.md b/docs/install/server.md
index 87d3e5d80..a7822d895 100644
--- a/docs/install/server.md
+++ b/docs/install/server.md
@@ -109,7 +109,7 @@ The possible flags are:
 
 ### Installing PostgreSQL
 
-To use PostgREST you will need an underlying database. You can use something like Amazon [RDS](https://aws.amazon.com/rds/) but installing your own locally is cheaper and more convenient for development.
+To use PostgREST you will need an underlying database (PostgreSQL version 9.3 or greater is required). You can use something like Amazon [RDS](https://aws.amazon.com/rds/) but installing your own locally is cheaper and more convenient for development.
 
 * [Instructions for OS X](http://exponential.io/blog/2015/02/21/install-postgresql-on-mac-os-x-via-brew/)
 * [Instructions for Ubuntu 14.04](https://www.digitalocean.com/community/tutorials/how-to-install-and-use-postgresql-on-ubuntu-14-04)