diff --git a/Dockerfile b/Dockerfile
index 209f9f4..7d1c360 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,10 +8,19 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     libpng-dev \
     libxml2-dev \
     libonig-dev \
+    libicu-dev \
+    libzip-dev \
     zip \
     unzip \
     && docker-php-ext-configure gd --with-freetype --with-jpeg \
-    && docker-php-ext-install -j$(nproc) gd mbstring pdo pdo_mysql xml \
+    && docker-php-ext-install -j$(nproc) \
+        gd \
+        mbstring \
+        pdo \
+        pdo_mysql \
+        xml \
+        intl \
+        zip \
     && a2enmod rewrite \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*