diff --git a/doc/install/installation.md b/doc/install/installation.md
index 13b6fe5b3790e5cb422e3a5a3e0d6056d254e108..e2c77073983cee4062217e915f6bafaaffe22e5f 100644
--- a/doc/install/installation.md
+++ b/doc/install/installation.md
@@ -311,13 +311,20 @@ sudo adduser --disabled-login --gecos 'GitLab' git
 ## 6. Database
 
 NOTE: **Note:**
-Starting from GitLab 12.1, only PostgreSQL is supported. Since GitLab 13.0, we require PostgreSQL 11+.
+Starting from GitLab 12.1, only PostgreSQL is supported. Since GitLab 13.0, we [require PostgreSQL 11+](requirements.md#postgresql-requirements).
 
 1. Install the database packages:
 
    ```shell
    sudo apt-get install -y postgresql postgresql-client libpq-dev postgresql-contrib
    ```
+   
+1. Verify the PostgreSQL version you have is supported by the version of GitLab you're
+   installing:
+
+   ```shell
+   psql --version
+   ```
 
 1. Start the PostgreSQL service and confirm that the service is running: