diff --git a/Dockerfile b/Dockerfile
index d2e82f9..70f76be 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM thallian/confd-env:latest
+FROM docker.io/thallian/confd-env:3.16
 
 RUN apk --no-cache add php8-fpm
 RUN ln -s /usr/bin/php8 /usr/bin/php