diff --git a/torrelay/Dockerfile b/torrelay/Dockerfile
index 261152f..5634506 100644
--- a/torrelay/Dockerfile
+++ b/torrelay/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:latest
+FROM alpine:3.8
 LABEL maintainer "J. Elfring <devops@elfrinjo.de>"
 
 RUN apk --update --no-cache add tor