diff --git a/Dockerfile b/Dockerfile
index cad4b00..71a2185 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.9
+FROM alpine:3.11
 MAINTAINER Adrian Gschwend <adrian.gschwend@zazuko.com>
 
 # Only update below