diff --git a/Dockerfile b/Dockerfile
index af10bab..197e4dc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM alpine:edge
 MAINTAINER Nicolas Lorin <androw95220@gmail.com>
 
 RUN mkdir -p /usr/local/etc/unbound/
-RUN apk add --update --no-cache unbound=1.19.3-r0 curl ca-certificates && curl -o /usr/local/etc/unbound/root.hints https://www.internic.net/domain/named.cache
+RUN apk add --update --no-cache unbound=1.20.0-r0 curl ca-certificates && curl -o /usr/local/etc/unbound/root.hints https://www.internic.net/domain/named.cache
 RUN unbound-anchor -4 -a /usr/local/etc/unbound/root.key ; true
 RUN chown -R unbound:unbound /usr/local/etc/unbound/