diff --git a/Dockerfile b/Dockerfile
index 28429ee9..d399c989 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,11 @@
 # Set the base image for subsequent instructions
-FROM php:7.2
+FROM php:7.3
 
 # Update packages
 RUN apt-get update
 
 # Install PHP and composer dependencies
-RUN apt-get install -qq git curl libmcrypt-dev libjpeg-dev libpng-dev libfreetype6-dev libbz2-dev autoconf libc-dev pkg-config
+RUN apt-get install -qq git curl libmcrypt-dev libjpeg-dev libpng-dev libfreetype6-dev libbz2-dev autoconf libc-dev pkg-config libzip-dev
 
 # Clear out the local repository of retrieved package files
 RUN apt-get clean
@@ -14,7 +14,7 @@ RUN apt-get clean
 # Here you can install any other extension that you need during the test and deployment process
 RUN docker-php-ext-install pdo_mysql zip
 
-RUN pecl install mcrypt-1.0.1
+RUN pecl install mcrypt
 
 # Install Composer
 RUN curl --silent --show-error https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer