diff --git a/examples/atlassian-jira-confluence/docker-compose.yml b/examples/atlassian-jira-confluence/docker-compose.yml
index 3f5801def..3f729e296 100644
--- a/examples/atlassian-jira-confluence/docker-compose.yml
+++ b/examples/atlassian-jira-confluence/docker-compose.yml
@@ -99,7 +99,7 @@ services:
     #  - traefik.http.routers.jira.middlewares=limit-jira
 
   postgresql:
-    image: docker.io/library/postgres:16-alpine
+    image: docker.io/library/postgres:18-alpine
     container_name: jira-psql
     restart: unless-stopped
     healthcheck:
diff --git a/examples/authentik/docker-compose.yml b/examples/authentik/docker-compose.yml
index 6fe8b5b1b..2c868157b 100644
--- a/examples/authentik/docker-compose.yml
+++ b/examples/authentik/docker-compose.yml
@@ -1,7 +1,7 @@
 services:
 
   postgresql:
-    image: docker.io/library/postgres:16-alpine
+    image: docker.io/library/postgres:18-alpine
     container_name: authentik-psql
     restart: unless-stopped
     healthcheck:
diff --git a/examples/gzctf/docker-compose.yml b/examples/gzctf/docker-compose.yml
index 94d556296..dc1d774a5 100644
--- a/examples/gzctf/docker-compose.yml
+++ b/examples/gzctf/docker-compose.yml
@@ -29,7 +29,7 @@ services:
     #  - traefik.http.routers.ctf.middlewares=authentik@docker
 
   db:
-    image: docker.io/library/postgres:16-alpine
+    image: docker.io/library/postgres:18-alpine
     container_name: gzctf-db
     restart: always
     environment:
diff --git a/examples/linkwarden/docker-compose.yml b/examples/linkwarden/docker-compose.yml
index 9756b03b6..cd383c82c 100644
--- a/examples/linkwarden/docker-compose.yml
+++ b/examples/linkwarden/docker-compose.yml
@@ -28,7 +28,7 @@ services:
     #  - traefik.http.routers.linkwarden.middlewares=local-ipwhitelist@file
 
   postgres:
-    image: docker.io/library/postgres:16-alpine
+    image: docker.io/library/postgres:18-alpine
     container_name: linkwarden-psql
     restart: unless-stopped
     healthcheck:
diff --git a/examples/paperless-ngx/docker-compose.yml b/examples/paperless-ngx/docker-compose.yml
index 1c6b24e0a..300be2ef0 100644
--- a/examples/paperless-ngx/docker-compose.yml
+++ b/examples/paperless-ngx/docker-compose.yml
@@ -10,7 +10,7 @@ services:
     #  - proxy
 
   db:
-    image: docker.io/library/postgres:16-alpine
+    image: docker.io/library/postgres:18-alpine
     container_name: paperless-ngx-db
     restart: unless-stopped
     volumes: