diff --git a/LICENSE.txt b/LICENSE.txt
index 55a3556..ad3f751 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -5,5 +5,5 @@ If, for any reason, the URI provided in this file to the Software License Agreem
 This license does not apply to the files not under Superengine copyright as detailed in the NOTICE.txt file.
 
 This software uses the following third-party software:
-- the postgresql image with the tag 17.4 from Docker Hub
+- the postgresql image with the tag 18.1 from Docker Hub
 Third-party software have a different copyright owner and license.
\ No newline at end of file
diff --git a/README.md b/README.md
index 971b398..17beeee 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # PostgreSQL Port for Superengine
 
-This port uses the `postgresql` image which is the ["official" PostgreSQL Docker image](https://hub.docker.com/_/postgres/) with the tag `17.4`. The port may be updated to use a newer tag in the future.
+This port uses the `postgresql` image which is the ["official" PostgreSQL Docker image](https://hub.docker.com/_/postgres/) with the tag `18.1`. The port may be updated to use a newer tag in the future.
 
 ## Installation
 
diff --git a/compose.yaml.hbs b/compose.yaml.hbs
index 427eb43..69ddb63 100644
--- a/compose.yaml.hbs
+++ b/compose.yaml.hbs
@@ -1,13 +1,13 @@
 services:
   {{app_id}}-postgresql:
-    image: postgres:17.4
+    image: postgres:18.1
     restart: always
     environment:
       POSTGRES_USER: {{entitlements.db-user}}
       POSTGRES_PASSWORD: {{entitlements.db-password}}
       POSTGRES_DB: {{entitlements.db-name}}
     volumes:
-      - {{entitlements.folder-path}}:/var/lib/postgresql/data
+      - {{entitlements.folder-path}}:/var/lib/postgresql
     ports:
       - {{entitlements.port-number}}:5432
     {{#unless (eq entitlements.os "windows")}}
diff --git a/embedded_ui/about.html b/embedded_ui/about.html
index a2d925b..23254ea 100644
--- a/embedded_ui/about.html
+++ b/embedded_ui/about.html
@@ -3,7 +3,7 @@
         <h2 class="title is-4">PostgreSQL Port for Superengine</h2>
         <p>Copyright 2025 Superengine.</p>
         <p>License: <a href="https://www.superengine.tech/legal/software-license-agreement-for-ports" target="_blank">Software License Agreement for Ports</a>.</p>
-        <p class="mt-5">This port uses the postgresql image with the tag 17.4 from Docker Hub, a third-party software with a different copyright owner and license.</p>
+        <p class="mt-5">This port uses the postgresql image with the tag 18.1 from Docker Hub, a third-party software with a different copyright owner and license.</p>
         <p class="mt-5">Postgres, PostgreSQL and the Slonik Logo are trademarks or registered trademarks of the PostgreSQL Community Association of Canada, and used with their permission.</p>
     </div>
 </section>
diff --git a/manifest.json b/manifest.json
index d24cbc7..d54f4b6 100644
--- a/manifest.json
+++ b/manifest.json
@@ -4,7 +4,7 @@
     "name": {
       "en": "PostgreSQL"
     },
-    "version": "17.4-5"
+    "version": "18.1"
   },
   "entitlements": [
     {