diff --git a/Dockerfile b/Dockerfile
index 2b2748e..ea58f6b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,4 +5,7 @@ RUN apk add --no-cache libpng libpng-dev libjpeg-turbo-dev libwebp-dev zlib-dev
         && docker-php-ext-configure gd \
         && docker-php-ext-install gd
 
+RUN pecl install redis-5.1.1 \
+    && docker-php-ext-enable redis
+
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer