diff --git a/docker/dhcp/Dockerfile b/docker/dhcp/Dockerfile
index cb078ef..931ee25 100644
--- a/docker/dhcp/Dockerfile
+++ b/docker/dhcp/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.3
+FROM alpine:3.14
 MAINTAINER developers@gns3.net
 
 RUN apk add --update dnsmasq && rm -rf /var/cache/apk/*