diff --git a/opencart/Dockerfile b/opencart/Dockerfile
index e4fb22c..8f58a14 100644
--- a/opencart/Dockerfile
+++ b/opencart/Dockerfile
@@ -7,7 +7,7 @@ MAINTAINER kev<noreply@datageek.info>
 
 RUN a2enmod rewrite
 
-RUN apt-get update && apt-get install -y libpng12-dev libjpeg-dev libpq-dev \
+RUN apt-get update && apt-get install -y libpng12-dev libjpeg-dev libmcrypt-dev \
         && rm -rf /var/lib/apt/lists/* \
         && docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
         && docker-php-ext-install gd mcrypt mbstring mysqli