diff --git a/vagrant/Dockerfile b/vagrant/Dockerfile
index 20e460f..ebd8801 100644
--- a/vagrant/Dockerfile
+++ b/vagrant/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.4
+FROM alpine:3.5
 
 ENV SSL_CERT_FILE /etc/ssl/certs/ca-certificates.crt