diff --git a/Dockerfile b/Dockerfile
index 95782b591..760e299bc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.7
+FROM alpine:3.8
 
 ENV BUILD_PACKAGES postgresql-dev graphviz-dev graphviz build-base git pkgconfig \
 python3-dev libxml2-dev jpeg-dev libressl-dev libffi-dev libxslt-dev nodejs py3-lxml \