diff --git a/Dockerfile b/Dockerfile
index 9060c5eb7d7314450476299a2bdfd57ebd43a888..5166062cf50c8a7d4085dd19a27fb985256e726a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,7 +13,7 @@ RUN strip /shapeshifter-dispatcher/shapeshifter-dispatcher
 RUN go get -u github.com/kumina/openvpn_exporter
 RUN strip $GOPATH/bin/openvpn_exporter
 
-FROM registry.git.autistici.org/ai3/docker/chaperone-base:stretch
+FROM registry.git.autistici.org/ai3/docker/chaperone-base:buster
 
 # needed for buster, but chaperone-base image is still stretch
 #RUN update-alternatives --set iptables /usr/sbin/iptables-legacy