diff --git a/mx1/containers/stalwart/docker-compose.yml b/mx1/containers/stalwart/docker-compose.yml
index dbebb1c..444a052 100644
--- a/mx1/containers/stalwart/docker-compose.yml
+++ b/mx1/containers/stalwart/docker-compose.yml
@@ -1,7 +1,7 @@
 ---
 services:
   postgres:
-    image: docker.io/library/postgres:16-alpine
+    image: docker.io/library/postgres:18-alpine
     restart: unless-stopped
     labels:
       - "com.centurylinklabs.watchtower.enable=true"
diff --git a/web1/containers/authentik/docker-compose.yml b/web1/containers/authentik/docker-compose.yml
index 31f3c16..a92aa46 100644
--- a/web1/containers/authentik/docker-compose.yml
+++ b/web1/containers/authentik/docker-compose.yml
@@ -1,7 +1,7 @@
 ---
 services:
   database:
-    image: docker.io/library/postgres:16-alpine
+    image: docker.io/library/postgres:18-alpine
     restart: unless-stopped
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -d $${POSTGRES_DB} -U $${POSTGRES_USER}"]
diff --git a/web3/containers/authentik/docker-compose.yml b/web3/containers/authentik/docker-compose.yml
index dc2f492..32a74bc 100644
--- a/web3/containers/authentik/docker-compose.yml
+++ b/web3/containers/authentik/docker-compose.yml
@@ -1,7 +1,7 @@
 ---
 services:
   database:
-    image: docker.io/library/postgres:16-alpine
+    image: docker.io/library/postgres:18-alpine
     restart: unless-stopped
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -d $${POSTGRES_DB} -U $${POSTGRES_USER}"]
diff --git a/web8/containers/authentik/docker-compose.yml b/web8/containers/authentik/docker-compose.yml
index 6d8ce19..5b739c9 100644
--- a/web8/containers/authentik/docker-compose.yml
+++ b/web8/containers/authentik/docker-compose.yml
@@ -1,7 +1,7 @@
 ---
 services:
   postgresql:
-    image: docker.io/library/postgres:16-alpine
+    image: docker.io/library/postgres:18-alpine
     restart: unless-stopped
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -d $${POSTGRES_DB} -U $${POSTGRES_USER}"]
diff --git a/web8/containers/stalwart/docker-compose.yml b/web8/containers/stalwart/docker-compose.yml
index 973e917..94e52d3 100644
--- a/web8/containers/stalwart/docker-compose.yml
+++ b/web8/containers/stalwart/docker-compose.yml
@@ -1,7 +1,7 @@
 ---
 services:
   postgres:
-    image: docker.io/library/postgres:16-alpine
+    image: docker.io/library/postgres:18-alpine
     restart: unless-stopped
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -d $${POSTGRES_DB} -U $${POSTGRES_USER}"]