diff --git a/docker/Dockerfile b/docker/Dockerfile
index c5409df..f42f698 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -13,6 +13,7 @@ RUN apt-get update \
  && apt-get -yq install \
       gettext \
       jq \
+      libevent-core-2.1-7 \
       zip \
  && rm -rf /var/lib/apt/lists/*
 
@@ -29,7 +30,6 @@ RUN pip install \
       python-octaviaclient \
       python-openstackclient
 
-# libevent-core-2.1-7
 
 # RUN wget https://github.com/sapcc/cyclone/releases/download/v0.1.28/cyclone \
 #      -O /usr/bin/cyclone \