diff --git a/mx1/containers/stalwart/docker-compose.yml b/mx1/containers/stalwart/docker-compose.yml
index 4890dc8..812f5d6 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
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -d $${POSTGRES_DB} -U $${POSTGRES_USER}"]
diff --git a/web1/containers/authentik/docker-compose.yml b/web1/containers/authentik/docker-compose.yml
index 25ed32e..cf046d8 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 500cf9c..2c2d33b 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}"]