diff --git a/Dockerfile b/Dockerfile
index 50d1ae1..2fe501f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,13 @@
 # --- Étape de Build (Composer) ---
-FROM composer:2.7 AS composer-build
+FROM composer:2 AS composer-bin
+
+FROM dunglas/frankenphp:1.3-php8.4-alpine AS composer-build
 
 WORKDIR /var/www/html
 
-ADD https://github.com/mlocati/docker-php-extension-installer/releases/latest/download/install-php-extensions /usr/local/bin/
-RUN chmod +x /usr/local/bin/install-php-extensions && \
-    install-php-extensions intl zip bcmath pdo_pgsql pcntl redis
+COPY --from=composer-bin /usr/bin/composer /usr/bin/composer
+
+RUN install-php-extensions intl zip bcmath pdo_pgsql pcntl redis
 
 COPY . .