diff --git a/data/deprecations/16-0-deprecate-postgresql-13.yml b/data/deprecations/16-0-deprecate-postgresql-13.yml
index ef52582d7320cb12aecf709f0ab4aa5a901e8d09..99a18dc62ae2a184eaf0476b7ea194ad65aeb6ba 100644
--- a/data/deprecations/16-0-deprecate-postgresql-13.yml
+++ b/data/deprecations/16-0-deprecate-postgresql-13.yml
@@ -13,6 +13,8 @@
 
     PostgreSQL 13 will be supported for the full GitLab 16 release cycle.
     PostgreSQL 14 will also be supported for instances that want to upgrade prior to GitLab 17.0.
+    If you are running a single PostgreSQL instance you installed by using an Omnibus Linux package, an automatic upgrade may be attempted with 16.11.
+    Make sure you have enough disk space to accommodate the upgrade. For more information, see the [Omnibus database documentation](https://docs.gitlab.com/omnibus/settings/database.html#upgrade-packaged-postgresql-server).
 
 # OPTIONAL END OF SUPPORT FIELDS
 #
diff --git a/doc/update/deprecations.md b/doc/update/deprecations.md
index 77be4e3d1b82ac45bbea311ab1f9fdef5734cf0b..d466426312bdab3ad77fa6b47ea4e8b21df3c600 100644
--- a/doc/update/deprecations.md
+++ b/doc/update/deprecations.md
@@ -1644,6 +1644,8 @@ In GitLab 17.0, PostgreSQL 14 becomes the minimum required PostgreSQL version.
 
 PostgreSQL 13 will be supported for the full GitLab 16 release cycle.
 PostgreSQL 14 will also be supported for instances that want to upgrade prior to GitLab 17.0.
+If you are running a single PostgreSQL instance you installed by using an Omnibus Linux package, an automatic upgrade may be attempted with 16.11.
+Make sure you have enough disk space to accommodate the upgrade. For more information, see the [Omnibus database documentation](https://docs.gitlab.com/omnibus/settings/database.html#upgrade-packaged-postgresql-server).
 
 </div>