diff --git a/chart/Chart.lock b/chart/Chart.lock
index 58554a821c..ac1275959b 100644
--- a/chart/Chart.lock
+++ b/chart/Chart.lock
@@ -4,6 +4,6 @@ dependencies:
   version: 2.1.2
 - name: postgresql
   repository: https://charts.bitnami.com/bitnami
-  version: 11.8.1
-digest: sha256:5d4b20341df7c1d2a1e1e16a9e3248a5e4eabf765b307bb05acf13447ff51ae5
-generated: "2022-11-10T20:03:21.425592157Z"
+  version: 14.0.0
+digest: sha256:e9eed673e197d0860e011fb62f92457055e2a3d87506ba14404bf5e07ef13b87
+generated: "2024-12-31T20:17:51.875407+09:00"
diff --git a/chart/Chart.yaml b/chart/Chart.yaml
index 6d4c87ec0e..562c08c10e 100644
--- a/chart/Chart.yaml
+++ b/chart/Chart.yaml
@@ -9,7 +9,7 @@ dependencies:
   - condition: postgresql.enabled
     name: postgresql
     repository: https://charts.bitnami.com/bitnami
-    version: 11.8.1
+    version: 14.0.0
 description: Marquez is an open source metadata service for the collection, aggregation, and visualization of a data ecosystem's metadata.
 home: https://github.com/MarquezProject/marquez/tree/main/chart
 icon: https://raw.githubusercontent.com/MarquezProject/marquez/main/web/src/img/marquez-logo.png
diff --git a/chart/README.md b/chart/README.md
index d36f273371..a2da419179 100644
--- a/chart/README.md
+++ b/chart/README.md
@@ -87,7 +87,7 @@ helm delete marquez
 | Parameter                        | Description                     | Default   |
 |----------------------------------|---------------------------------|-----------|
 | `postgresql.enabled`             | Deploy PostgreSQL container(s)  | `false`   |
-| `postgresql.image.tag`           | PostgreSQL image version        | `12.1.0`  |
+| `postgresql.image.tag`           | PostgreSQL image version        | `14.0.0`  |
 | `postgresql.auth.username`       | PostgreSQL username             | `buendia` |
 | `postgresql.auth.password`       | PostgreSQL password             | `macondo` |
 | `postgresql.auth.database`       | PostgreSQL database             | `marquez` |
diff --git a/chart/values.yaml b/chart/values.yaml
index e70dbffd40..9f6c2d3472 100644
--- a/chart/values.yaml
+++ b/chart/values.yaml
@@ -112,7 +112,7 @@ postgresql:
   ## @param image.tag PostgreSQL image tag (immutable tags are recommended)
   ##
   image:
-    tag: 12.1.0
+    tag: 14.0.0
   ## Authentication parameters
   ## ref: https://github.com/bitnami/bitnami-docker-postgresql/blob/master/README.md#setting-the-root-password-on-first-run
   ## ref: https://github.com/bitnami/bitnami-docker-postgresql/blob/master/README.md#creating-a-database-on-first-run
diff --git a/examples/airflow/docker-compose.yml b/examples/airflow/docker-compose.yml
index 49de928f9b..ca850da99a 100644
--- a/examples/airflow/docker-compose.yml
+++ b/examples/airflow/docker-compose.yml
@@ -96,7 +96,7 @@ services:
       - marquez
 
   postgres:
-    image: bitnami/postgresql:12.1.0
+    image: bitnami/postgresql:14.0.0
     ports:
       - "5432:5432"
     environment: