diff --git a/Dockerfile b/Dockerfile
index 795f13a..e70304d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,6 +4,7 @@ FROM php:8.2-apache
 RUN apt-get update && apt-get install -y \
     libsqlite3-dev \
     libcurl4-openssl-dev \
+    libonig-dev \
     && docker-php-ext-install pdo_sqlite curl mbstring \
     && apt-get clean && rm -rf /var/lib/apt/lists/*