diff --git a/pdns/Dockerfile.alpine b/pdns/Dockerfile.alpine
index 850fced..32a9ea5 100644
--- a/pdns/Dockerfile.alpine
+++ b/pdns/Dockerfile.alpine
@@ -1,4 +1,4 @@
-FROM alpine:3.8
+FROM alpine:3.9
 MAINTAINER "Peter Schiffer" <peter@rfv.sk>
 
 RUN apk add --no-cache \