diff --git a/php/Dockerfile b/php/Dockerfile
index 1aa1467..d685f92 100644
--- a/php/Dockerfile
+++ b/php/Dockerfile
@@ -11,9 +11,9 @@ RUN apk add --no-cache \
     libjpeg-turbo-dev \
     freetype-dev \
     oniguruma-dev \
-    xml-dev \
+    libxml2-dev \
     && docker-php-ext-configure gd --with-freetype --with-jpeg \
-    && docker-php-ext-install -j$(nicon) gd zip pdo_mysql mysqli exif pcntl bcmath opcache
+    && docker-php-ext-install -j$(nproc) gd zip pdo_mysql mysqli exif pcntl bcmath opcache
 
 # Install Composer
 COPY --from=composer:latest /usr/bin/composer /usr/bin/composer