diff --git a/docker/Dockerfile b/docker/Dockerfile
index f4f0931..9234c7b 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,7 +1,7 @@
 FROM php:8.3-fpm-alpine AS app
 
-RUN apk add --no-cache bash git icu-dev sqlite-dev unzip \
-    && docker-php-ext-install intl opcache pdo pdo_sqlite
+RUN apk add --no-cache bash git oniguruma-dev sqlite-dev unzip \
+    && docker-php-ext-install mbstring opcache pdo pdo_sqlite
 
 COPY --from=composer:2 /usr/bin/composer /usr/bin/composer