diff --git a/bitnami/phpbb/Chart.lock b/bitnami/phpbb/Chart.lock
index a7fef58f4f..2bed17ef39 100644
--- a/bitnami/phpbb/Chart.lock
+++ b/bitnami/phpbb/Chart.lock
@@ -1,9 +1,9 @@
 dependencies:
 - name: mariadb
   repository: oci://registry-1.docker.io/bitnamicharts
-  version: 11.5.7
+  version: 12.0.0
 - name: common
   repository: oci://registry-1.docker.io/bitnamicharts
   version: 2.2.4
-digest: sha256:d1cd39becdc633408c58a5232dff5560569fa02b67810a916f6b6063aa5a0e96
-generated: "2023-04-20T09:35:42.749937+02:00"
+digest: sha256:dfb02da0eb35260bb01a0c9e07a464e5b0041fa042685e709e86710f688e7027
+generated: "2023-04-21T18:31:24.793354+02:00"
diff --git a/bitnami/phpbb/Chart.yaml b/bitnami/phpbb/Chart.yaml
index 1c637252b2..de35aae67e 100644
--- a/bitnami/phpbb/Chart.yaml
+++ b/bitnami/phpbb/Chart.yaml
@@ -7,7 +7,7 @@ dependencies:
   - condition: mariadb.enabled
     name: mariadb
     repository: oci://registry-1.docker.io/bitnamicharts
-    version: 11.x.x
+    version: 12.x.x
   - name: common
     repository: oci://registry-1.docker.io/bitnamicharts
     tags:
@@ -28,4 +28,4 @@ name: phpbb
 sources:
   - https://github.com/bitnami/containers/tree/main/bitnami/phpbb
   - https://www.phpbb.com/
-version: 12.4.0
+version: 13.0.0
diff --git a/bitnami/phpbb/README.md b/bitnami/phpbb/README.md
index 9f5cc12ebb..ba89015ced 100644
--- a/bitnami/phpbb/README.md
+++ b/bitnami/phpbb/README.md
@@ -348,6 +348,10 @@ Find more information about how to deal with common errors related to Bitnami's
 
 ## Upgrading
 
+### To 13.0.0
+
+This major release bumps the MariaDB version to 10.11. Follow the [upstream instructions](https://mariadb.com/kb/en/upgrading-from-mariadb-10-6-to-mariadb-10-11/) for upgrading from MariaDB 10.6 to 10.11. No major issues are expected during the upgrade.
+
 ### To 12.0.0
 
 This major release bumps the MariaDB version to 10.6. Follow the [upstream instructions](https://mariadb.com/kb/en/upgrading-from-mariadb-105-to-mariadb-106/) for upgrading from MariaDB 10.5 to 10.6. No major issues are expected during the upgrade.