mattermost · cwarnermm · Oct 3, 2025
diff --git a/source/deployment-guide/server/linux/deploy-rhel.rst b/source/deployment-guide/server/linux/deploy-rhel.rst
@@ -9,7 +9,7 @@
       <ul>
         <li>Operating System: Enterprise Linux 7+, Oracle Linux  6+, Oracle Linux 7+</li>
         <li>Hardware: 1 vCPU/core with 2GB RAM (support for up to 1,000 users)</li>
-        <li>Database: <a href="https://docs.mattermost.com/deployment-guide/postgres-migration.html">PostgreSQL v13+</a></li>
+        <li>Database: <a href="https://docs.mattermost.com/deployment-guide/postgres-migration.html">PostgreSQL v14+</a></li>
         <li>Network:
           <ul>
             <li>Application 80/443, TLS, TCP Inbound</li>

diff --git a/source/deployment-guide/server/linux/deploy-tar.rst b/source/deployment-guide/server/linux/deploy-tar.rst
@@ -8,7 +8,7 @@
       <h3>Minimum system requirements:</h3>
       <ul>
         <li>Hardware: 1 vCPU/core with 2GB RAM (support for up to 1,000 users)</li>
-        <li>Database: <a href="https://docs.mattermost.com/deployment-guide/postgres-migration.html">PostgreSQL v13+</a></li>
+        <li>Database: <a href="https://docs.mattermost.com/deployment-guide/postgres-migration.html">PostgreSQL v14+</a></li>
         <li>Network:
           <ul>
             <li>Application 80/443, TLS, TCP Inbound</li>

diff --git a/source/deployment-guide/server/linux/deploy-ubuntu.rst b/source/deployment-guide/server/linux/deploy-ubuntu.rst
@@ -9,7 +9,7 @@
       <ul>
         <li>Operating System: 20.04 LTS, 22.04 LTS, 24.04 LTS</li>
         <li>Hardware: 1 vCPU/core with 2GB RAM (support for up to 1,000 users)</li>
-        <li>Database: <a href="https://docs.mattermost.com/deployment-guide/postgres-migration.html">PostgreSQL v13+</a></li>
+        <li>Database: <a href="https://docs.mattermost.com/deployment-guide/postgres-migration.html">PostgreSQL v14+</a></li>
         <li>Network:
           <ul>
             <li>Application 80/443, TLS, TCP Inbound</li>

diff --git a/source/deployment-guide/server/preparations.rst b/source/deployment-guide/server/preparations.rst
@@ -25,7 +25,7 @@ Before installing Mattermost Server, review the following preparation requiremen
 Database preparation
 --------------------
 
-PostgreSQL v13+ is required for Mattermost server installations. :doc:`MySQL database support </deployment-guide/server/prepare-mattermost-mysql-database>` is being deprecated starting with Mattermost v11. See the :doc:`PostgreSQL migration </deployment-guide/postgres-migration>` documentation for guidance on migrating from MySQL to PostgreSQL.
+PostgreSQL v14+ is required for Mattermost server installations. :doc:`MySQL database support </deployment-guide/server/prepare-mattermost-mysql-database>` is being deprecated starting with Mattermost v11. See the :doc:`PostgreSQL migration </deployment-guide/postgres-migration>` documentation for guidance on migrating from MySQL to PostgreSQL.
 
 1. Create an PostgreSQL server instance. See the `PostgreSQL documentation <https://www.postgresql.org/download/>`_ for details. When the installation is complete, the PostgreSQL server is running, and a Linux user account called postgres has been created.
 
@@ -274,7 +274,7 @@ Ensure your system meets these minimum requirements:
 - Operating System: 64-bit Linux distribution
 - Hardware: 1 vCPU/core with 2GB RAM (supports up to 1,000 users)
 - Storage: Minimum 10GB available space
-- Database: PostgreSQL v13+
+- Database: PostgreSQL v14+
 - Network: Reliable internet connection with sufficient bandwidth
 
 See the :doc:`software and hardware requirements </deployment-guide/software-hardware-requirements>` documentation for additional requirements.

diff --git a/source/deployment-guide/server/server-deployment-planning.rst b/source/deployment-guide/server/server-deployment-planning.rst
@@ -82,7 +82,7 @@ Prerequisites
 Before deploying Mattermost, ensure you have reviewed the :doc:`software and hardware requirements </deployment-guide/software-hardware-requirements>`, and have:
 
 * A supported Linux distribution
-* Database server (PostgreSQL 13+)
+* Database server (PostgreSQL 14+)
 * Reverse proxy (NGINX recommended)
 * SSL/TLS certificates for secure communication
 * Adequate storage for files and database

diff --git a/source/deployment-guide/server/troubleshooting.rst b/source/deployment-guide/server/troubleshooting.rst
@@ -296,7 +296,7 @@ Because of this, having a complete picture of the servers and network that the M
 - Server OS and version (e.g. RHEL7, Ubuntu 20.04)
 - Any orchestration/automation used like Docker or Kubernetes
 - Reverse proxy and version (e.g. NGINX 1.16)
-- Database type and version (e.g. PostgreSQL 13)
+- Database type and version (e.g. PostgreSQL 14)
 - SAML provider (e.g. Windows Server 2012 Active Directory, Okta, KeyCloak)
 - LDAP provider (e.g. Windows Server 2016 Active Directory, Okta, OpenLDAP)
 - The type and version of any proxies or VPNs on the network that the Mattermost server is connecting through

diff --git a/source/deployment-guide/software-hardware-requirements.rst b/source/deployment-guide/software-hardware-requirements.rst
@@ -93,7 +93,7 @@ While community support exists for Fedora, FreeBSD, and Arch Linux, Mattermost d
 Database software
 ^^^^^^^^^^^^^^^^^
 
--  PostgreSQL 13.0+
+-  PostgreSQL 14.0+
 
 Amazon Aurora equivalents of PostgreSQL is also supported.