diff --git a/docs/INSTALL.md b/docs/INSTALL.md
index aab4e4c63de..5df5dabbfc0 100644
--- a/docs/INSTALL.md
+++ b/docs/INSTALL.md
@@ -20,7 +20,7 @@ Hosting Rails applications is complicated. Even if you already have Postgres, Re
 
 ### Software Requirements
 
-- [Postgres 9.3+](http://www.postgresql.org/download/)
+- [Postgres 9.5+](http://www.postgresql.org/download/)
 - [Redis 2.6+](http://redis.io/download)
 - [Ruby 2.3+](http://www.ruby-lang.org/en/downloads/) (we recommend 2.3.1 or higher)