diff --git a/buildroot-external/package/hassos/builder/Dockerfile b/buildroot-external/package/hassos/builder/Dockerfile
index f97a86b1d..5d0a43044 100644
--- a/buildroot-external/package/hassos/builder/Dockerfile
+++ b/buildroot-external/package/hassos/builder/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.7
+FROM alpine:3.9
 
 # Install packages
 RUN apk add --no-cache \