diff --git a/build/fpm/Dockerfile b/build/fpm/Dockerfile
index 938957859acf4f521a7e22a10ab91f0a90533973..31ee493d79a658cb54a97689d26307d4fd74a9b0 100644
--- a/build/fpm/Dockerfile
+++ b/build/fpm/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:8.2.8-fpm as composer
+FROM php:8.2.8-fpm-bullseye as composer
 
 # Add Composer installation to image
 ADD build/fpm/installcomposer.sh /usr/bin/installcomposer