diff --git a/source/install/common-prod-deploy-omnibus.rst b/source/install/common-prod-deploy-omnibus.rst
index c5c529138bb..7371049ab4c 100644
--- a/source/install/common-prod-deploy-omnibus.rst
+++ b/source/install/common-prod-deploy-omnibus.rst
@@ -8,7 +8,7 @@ Mattermost bundles the components of a Mattermost deployment into a single insta
**Minimum system requirements**
- Hardware: 2 vCPUs/cores with 4GB RAM (support for 1,000-2,000 users)
-- Database: PostgreSQL v12+ or MySQL v8+
+- Database: PostgreSQL v12+
- Network ports required:
- Application ports 80/443, TLS, TCP Inbound
diff --git a/source/install/common-prod-deploy-tar.rst b/source/install/common-prod-deploy-tar.rst
index 6bb537e3730..4db672e8207 100644
--- a/source/install/common-prod-deploy-tar.rst
+++ b/source/install/common-prod-deploy-tar.rst
@@ -11,7 +11,7 @@ These instructions outline how to install Mattermost Server on a 64-bit Linux ho
**Minimum system requirements**
- Hardware: 2 vCPUs/cores with 4GB RAM (support for 1,000-2,000 users)
-- Database: PostgreSQL v12+ or MySQL v8+
+- Database: PostgreSQL v12+
- Network ports required:
- Application ports 80/443, TLS, TCP Inbound
diff --git a/source/install/install-rhel-7-postgresql.rst b/source/install/install-rhel-7-postgresql.rst
index be432340c6b..4c9ad6fe9ca 100644
--- a/source/install/install-rhel-7-postgresql.rst
+++ b/source/install/install-rhel-7-postgresql.rst
@@ -9,7 +9,7 @@ Install PostgreSQL database
``sudo yum install -y https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm``
-3. Install PostgreSQL version 11 or higher. Replace the contents of the ``{version}`` with the version you wish to install.
+3. Install PostgreSQL v12 or higher. Replace the contents of the ``{version}`` with the version you wish to install.
``sudo yum install -y postgresql{version}-server``
diff --git a/source/install/install-rhel-8-postgresql.rst b/source/install/install-rhel-8-postgresql.rst
index aec718a5e20..387b36d8127 100644
--- a/source/install/install-rhel-8-postgresql.rst
+++ b/source/install/install-rhel-8-postgresql.rst
@@ -12,7 +12,7 @@ Installing PostgreSQL database
``sudo yum install postgresql-server postgresql-contrib``
-Confirm this version is PostgreSQL version 11 or higher. You can do this by running ``psql -V``. If this isn't version 11 or higher you can reference the PostgreSQL documentation [here](https://www.postgresql.org/download/linux/redhat/) to install an updated version of PostgreSQL.
+Confirm this version is PostgreSQL v12 or higher. You can do this by running ``psql -V``. If this isn't version 11 or higher you can reference the PostgreSQL documentation [here](https://www.postgresql.org/download/linux/redhat/) to install an updated version of PostgreSQL.
1. Initialize the database.
diff --git a/source/install/install-rhel-8.rst b/source/install/install-rhel-8.rst
index 3516f72230b..fdaab8523c8 100644
--- a/source/install/install-rhel-8.rst
+++ b/source/install/install-rhel-8.rst
@@ -21,7 +21,7 @@ Install Mattermost on RHEL
- Operating System: Enterprise Linux 7+, Oracle Linux 6+, Oracle Linux 7+
- Hardware: 1 vCPU/core with 2GB RAM (support for up to 1,000 users)
- - Database: PostgreSQL v11+
+ - Database: PostgreSQL v12+
- Network:
- Application 80/443, TLS, TCP Inbound
diff --git a/source/install/install-tar.rst b/source/install/install-tar.rst
index 85f7d94ba5d..74d80a900d4 100644
--- a/source/install/install-tar.rst
+++ b/source/install/install-tar.rst
@@ -20,7 +20,7 @@ Install Mattermost Server using the tarball
Minimum system requirements:
- Hardware: 1 vCPU/core with 2GB RAM (support for up to 1,000 users)
- - Database: PostgreSQL v11+
+ - Database: PostgreSQL v12+
- Network:
- Application 80/443, TLS, TCP Inbound
diff --git a/source/install/install-ubuntu-2004-postgresql.rst b/source/install/install-ubuntu-2004-postgresql.rst
index c98335f4366..9d7c9fe5ad0 100644
--- a/source/install/install-ubuntu-2004-postgresql.rst
+++ b/source/install/install-ubuntu-2004-postgresql.rst
@@ -18,7 +18,7 @@ Install PostgreSQL on Ubuntu Server 20.04
When the installation is complete, the PostgreSQL server is running, and a Linux user account called *postgres* has been created.
-Confirm this version is PostgreSQL version 11 or higher. You can do this by running ``psql -V``. If this isn't version 11 or higher you can reference the PostgreSQL documentation `here `__ to install an updated version of PostgreSQL.
+Confirm this version is PostgreSQL v12 or higher. You can do this by running ``psql -V``. If this isn't version 11 or higher you can reference the PostgreSQL documentation `here `__ to install an updated version of PostgreSQL.
2. Access PostgreSQL with one of the following options:
diff --git a/source/install/install-ubuntu.rst b/source/install/install-ubuntu.rst
index c4834789e09..c22766a60de 100644
--- a/source/install/install-ubuntu.rst
+++ b/source/install/install-ubuntu.rst
@@ -21,7 +21,7 @@ Install Mattermost Server on Ubuntu
- Operating System: 20.04 LTS, 22.04 LTS, 24.04 LTS
- Hardware: 1 vCPU/core with 2GB RAM (support for up to 1,000 users)
- - Database: PostgreSQL v11+
+ - Database: PostgreSQL v12+
- Network:
- Application 80/443, TLS, TCP Inbound
diff --git a/source/install/installing-mattermost-omnibus.rst b/source/install/installing-mattermost-omnibus.rst
index 0f28e1aad61..824cdde5d24 100644
--- a/source/install/installing-mattermost-omnibus.rst
+++ b/source/install/installing-mattermost-omnibus.rst
@@ -21,7 +21,7 @@ Install Mattermost Omnibus
- Hardware: 1 vCPU/core with 2GB RAM (support for up to 1,000 users)
- Operating System: Ubuntu 20.04 or greater
- - Database: PostgreSQL v11+
+ - Database: PostgreSQL v12+
- Network ports required:
- Application ports 80/443, TLS, TCP Inbound
diff --git a/source/install/trouble-postgres.rst b/source/install/trouble-postgres.rst
index 81e982a3b77..99514287292 100644
--- a/source/install/trouble-postgres.rst
+++ b/source/install/trouble-postgres.rst
@@ -1,7 +1,7 @@
PostgreSQL installation troubleshooting
=======================================
-Mattermost supports PostgreSQL v11+.
+Mattermost supports PostgreSQL v12+.
PostgreSQL v15 introduces changes that may affect compatibility with previous releases. If you're deploying a fresh installation of PostgreSQL v15, run this command: ``GRANT CREATE ON SCHEMA public TO PUBLIC`` to ensure that you can use Mattermost.
diff --git a/source/install/troubleshooting.rst b/source/install/troubleshooting.rst
index 4eec3485d32..18994085cc5 100644
--- a/source/install/troubleshooting.rst
+++ b/source/install/troubleshooting.rst
@@ -361,7 +361,7 @@ Mattermost server
Database server
- Internal hostname: postgresql.lan
- - PostgreSQL v11
+ - PostgreSQL v12
- LDAP Provider - 192.168.1.102
- Internal hostname: ldap.lan
- OpenLDAP 2.4.54 (Docker container)
@@ -386,7 +386,7 @@ Database servers
- Hostnames: db1.local.lan, db2.local.lan, db3.local.lan
- Primary: db1.local.lan
- Read-Only: db2.local.lan, db3.local.lan
- - PostgreSQL v11
+ - PostgreSQL v12
Elasticsearch server