diff --git a/nextcloud/Dockerfile b/nextcloud/Dockerfile
index 23bee80..17af4e0 100644
--- a/nextcloud/Dockerfile
+++ b/nextcloud/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/nextcloud:27-apache
+FROM docker.io/nextcloud:28-apache
 COPY config/ /usr/src/nextcloud/config/
 COPY entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["entrypoint.sh"]
diff --git a/nextcloud/compose.yaml b/nextcloud/compose.yaml
index 4d20e09..44e6c66 100644
--- a/nextcloud/compose.yaml
+++ b/nextcloud/compose.yaml
@@ -14,7 +14,7 @@ services:
       - /var/run/docker.sock:/var/run/docker.sock
 
   db:
-    image: docker.io/postgres:15
+    image: docker.io/postgres:16
     restart: unless-stopped
     environment:
       - POSTGRES_DB
@@ -23,11 +23,11 @@ services:
     volumes:
       - db:/var/lib/postgresql/data/
 
-  redis:
-    image: docker.io/redis:latest
+  valkey:
+    image: docker.io/valkey/valkey:latest
     restart: unless-stopped
-    volumes:
-      - redis:/data/
+    tmpfs:
+      - /data/
 
   nextcloud:
     build: .
@@ -36,7 +36,7 @@ services:
       - .env
     environment:
       - POSTGRES_HOST=db
-      - REDIS_HOST=redis
+      - REDIS_HOST=valkey
       - TRUSTED_PROXIES=nextcloud
       - OVERWRITEPROTOCOL=https
       - PHP_UPLOAD_LIMIT=$UPLOAD_LIMIT
@@ -52,7 +52,7 @@ services:
       - default
     depends_on:
       - db
-      - redis
+      - valkey
 
 volumes:
   sites:
@@ -62,7 +62,6 @@ volumes:
   certbotroot:
     external: true
   db: {}
-  redis: {}
   nextcloud: {}
   apps: {}
   config: {}