diff --git a/Dockerfile b/Dockerfile
index c28a36e..0782558 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,12 @@ ENV HUGO_VERSION 0.20.7
 ENV HUGO_BINARY hugo_${HUGO_VERSION}_Linux-64bit.deb
 
 RUN apt-get update && apt-get upgrade -y && \
-    apt-get install -y git curl
+    apt-get install -y git curl unzip
+
+RUN curl -sS https://getcomposer.org/installer \
+    | php -- --install-dir=/usr/local/bin --filename=composer
+
+RUN composer require phpmailer/phpmailer
 
 ADD https://github.com/spf13/hugo/releases/download/v${HUGO_VERSION}/${HUGO_BINARY} /tmp/hugo.deb
 RUN dpkg -i /tmp/hugo.deb \