diff --git a/Dockerfile b/Dockerfile
index 607dd25..af9af39 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,9 @@
 FROM php:7.4-fpm-alpine
 
-RUN apk add --no-cache libpng libpng-dev libjpeg-turbo-dev libwebp-dev zlib-dev libxpm-dev libzip-dev oniguruma \
+RUN apk add --no-cache libpng libpng-dev libjpeg-turbo-dev libwebp-dev zlib-dev libxpm-dev libzip-dev oniguruma-dev \
         && docker-php-ext-install zip bcmath pdo_mysql mysqli mbstring opcache soap \
         && docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/ \
         && docker-php-ext-install gd \
-        && apk remove libpng libpng-dev libjpeg-turbo-dev libwebp-dev zlib-dev libxpm-dev libzip-dev oniguruma
+        && apk remove libpng libpng-dev libjpeg-turbo-dev libwebp-dev zlib-dev libxpm-dev libzip-dev oniguruma-dev
 
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer