diff --git a/Dockerfile b/Dockerfile
index a682325..b0cfa7e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,8 +9,9 @@ RUN apk --update --no-cache add \
     libzip-dev \
     zip \
     unzip \
+    libmcrypt-dev \
     && docker-php-ext-configure gd --with-freetype --with-jpeg \
-    && docker-php-ext-install gd pdo pdo_mysql zip
+    && docker-php-ext-install gd pdo pdo_mysql zip mcrypt
 
 # Set the working directory in the container
 WORKDIR /var/www/html