diff --git a/Dockerfile b/Dockerfile
index 0ab41b7..e33aa17 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.15 AS builder
+FROM docker.io/alpine:3.16 AS builder
 
 ENV NC_VERSION=24.0.2
 ENV NC_SHA256_SUM=30d6cac1265dff221836bec46a937dcafd7e7d52ee59b939841750b514e5033d
@@ -85,7 +85,7 @@ RUN mkdir /var/lib/nextcloud/apps/sociallogin
 RUN tar xzf release.tar.gz -C /var/lib/nextcloud/apps/sociallogin --strip 1
 
 
-FROM thallian/php8-fpm:latest
+FROM docker.io/thallian/php8-fpm:3.16
 
 ENV FPMUSER=nginx
 ENV FPMGROUP=nginx