diff --git a/bitnami/wordpress/CHANGELOG.md b/bitnami/wordpress/CHANGELOG.md
index e17c0a9f12..a30dd5d95e 100644
--- a/bitnami/wordpress/CHANGELOG.md
+++ b/bitnami/wordpress/CHANGELOG.md
@@ -1,8 +1,12 @@
 # Changelog
 
-## 25.0.26 (2025-08-18)
+## 26.0.0 (2025-08-18)
 
-* [bitnami/wordpress] :zap: :arrow_up: Update dependency references ([#36103](https://github.com/bitnami/charts/pull/36103))
+* [bitnami/wordpress] Upgrade to MariaDB 12.0 ([#36121](https://github.com/bitnami/charts/pull/36121))
+
+## <small>25.0.26 (2025-08-18)</small>
+
+* [bitnami/wordpress] :zap: :arrow_up: Update dependency references (#36103) ([41509eb](https://github.com/bitnami/charts/commit/41509ebf03c784c6c5a473df44487d662288a83a)), closes [#36103](https://github.com/bitnami/charts/issues/36103)
 
 ## <small>25.0.25 (2025-08-16)</small>
 
diff --git a/bitnami/wordpress/Chart.lock b/bitnami/wordpress/Chart.lock
index 5823edc9e8..44e52b2250 100644
--- a/bitnami/wordpress/Chart.lock
+++ b/bitnami/wordpress/Chart.lock
@@ -4,9 +4,9 @@ dependencies:
   version: 7.9.7
 - name: mariadb
   repository: oci://registry-1.docker.io/bitnamicharts
-  version: 21.0.8
+  version: 22.0.0
 - name: common
   repository: oci://registry-1.docker.io/bitnamicharts
   version: 2.31.4
-digest: sha256:4b06eca5506cae6b13b9b44c7c7ec4fda90615b07b16c8de95f78e3b7280962b
-generated: "2025-08-14T18:05:46.722562922Z"
+digest: sha256:90bb914faa525f3b5b11f8a5eaa39a47ee3f3117f9330d0babc78a03001a1663
+generated: "2025-08-18T16:50:21.811944+02:00"
diff --git a/bitnami/wordpress/Chart.yaml b/bitnami/wordpress/Chart.yaml
index fbf7b77cd5..48d2e99ddf 100644
--- a/bitnami/wordpress/Chart.yaml
+++ b/bitnami/wordpress/Chart.yaml
@@ -22,7 +22,7 @@ dependencies:
 - condition: mariadb.enabled
   name: mariadb
   repository: oci://registry-1.docker.io/bitnamicharts
-  version: 21.x.x
+  version: 22.x.x
 - name: common
   repository: oci://registry-1.docker.io/bitnamicharts
   tags:
@@ -47,4 +47,4 @@ maintainers:
 name: wordpress
 sources:
 - https://github.com/bitnami/charts/tree/main/bitnami/wordpress
-version: 25.0.26
+version: 26.0.0
diff --git a/bitnami/wordpress/README.md b/bitnami/wordpress/README.md
index 23361ddbef..a3350f42ad 100644
--- a/bitnami/wordpress/README.md
+++ b/bitnami/wordpress/README.md
@@ -494,7 +494,6 @@ As an alternative, use one of the preset configurations for pod affinity, pod an
 | `persistence.enabled`                                       | Enable persistence using Persistent Volume Claims                                                                                                                                                                                                     | `true`                     |
 | `persistence.storageClass`                                  | Persistent Volume storage class                                                                                                                                                                                                                       | `""`                       |
 | `persistence.accessModes`                                   | Persistent Volume access modes                                                                                                                                                                                                                        | `[]`                       |
-| `persistence.accessMode`                                    | Persistent Volume access mode (DEPRECATED: use `persistence.accessModes` instead)                                                                                                                                                                     | `ReadWriteOnce`            |
 | `persistence.size`                                          | Persistent Volume size                                                                                                                                                                                                                                | `10Gi`                     |
 | `persistence.dataSource`                                    | Custom PVC data source                                                                                                                                                                                                                                | `{}`                       |
 | `persistence.existingClaim`                                 | The name of an existing PVC to use for persistence                                                                                                                                                                                                    | `""`                       |
@@ -679,9 +678,13 @@ To enable the new features, it is not possible to do it by upgrading an existing
 
 ## Upgrading
 
+### To 26.0.0
+
+This major release bumps the MariaDB version to 12.0. Follow the [upstream instructions](https://mariadb.com/docs/server/server-management/install-and-upgrade-mariadb/upgrading) for upgrading from MariaDB 11.8 to 12.0. No major issues are expected during the upgrade.
+
 ### To 25.0.4
 
-This version addresses CVE-2025-41240. For more details, please refer to the advisory at https://github.com/bitnami/charts/security/advisories/GHSA-wgg9-9qgw-529w.
+This version addresses CVE-2025-41240. For more details, please refer to the advisory at [this page](https://github.com/bitnami/charts/security/advisories/GHSA-wgg9-9qgw-529w).
 
 ### To 25.0.0
 
diff --git a/bitnami/wordpress/values.yaml b/bitnami/wordpress/values.yaml
index c8fc934977..40b327a9d5 100644
--- a/bitnami/wordpress/values.yaml
+++ b/bitnami/wordpress/values.yaml
@@ -857,9 +857,6 @@ persistence:
   ##
   accessModes:
     - ReadWriteOnce
-  ## @param persistence.accessMode Persistent Volume access mode (DEPRECATED: use `persistence.accessModes` instead)
-  ##
-  accessMode: ReadWriteOnce
   ## @param persistence.size Persistent Volume size
   ##
   size: 10Gi