diff --git a/hivemq-mqtt-web-client/Dockerfile b/hivemq-mqtt-web-client/Dockerfile
index c5b2840..1bf9c69 100644
--- a/hivemq-mqtt-web-client/Dockerfile
+++ b/hivemq-mqtt-web-client/Dockerfile
@@ -2,7 +2,7 @@ FROM nginx:alpine
 
 WORKDIR /var/www/
 
-RUN apk add --update nginx \
+RUN apk add --update curl \
     && rm -rf /var/cache/apk/* \
     && wget https://github.com/hivemq/hivemq-mqtt-web-client/archive/master.zip \
     && unzip master.zip \