diff --git a/Dockerfile b/Dockerfile
index 272b899..c7dad3e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 FROM php:7.1-apache
 
 RUN apt-get update \
-        && apt-get install -y ssl-cert libicu-dev libxml2-dev libmcrypt-dev libcurl4-gnutls-dev libfreetype6-dev libjpeg62-turbo-dev libpng12-dev \
+        && apt-get install -y ssl-cert libicu-dev libxml2-dev libmcrypt-dev libcurl4-gnutls-dev libfreetype6-dev libjpeg62-turbo-dev libpng-dev \
         && docker-php-ext-install -j$(nproc) intl xml soap mcrypt opcache pdo pdo_mysql mysqli mbstring xmlrpc curl \
         && docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/ \
         && docker-php-ext-install -j$(nproc) gd