diff --git a/apache/build/Dockerfile b/apache/build/Dockerfile
index a03d7a7..1d6296b 100644
--- a/apache/build/Dockerfile
+++ b/apache/build/Dockerfile
@@ -16,7 +16,7 @@ FROM docker.0k.io/apache:carif
 #     rm -rf /var/lib/apt/lists/*
 # RUN docker-php-ext-install pgsql pdo_pgsql
 
-RUN a2enmod headers proxy_http rewrite ssl
+RUN a2enmod headers proxy_http rewrite ssl proxy_wstunnel
 
 ## Can remove this when SSL certificate are all valid ones
 RUN apt-get update && apt-get install -y --force-yes ssl-cert