diff --git a/Dockerfile b/Dockerfile
index 443707c..93f5594 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,7 +11,7 @@ WORKDIR $GOPATH/src/github.com/kelseyhightower/confd
 RUN git checkout v0.16.0
 RUN make
 
-FROM docker.io/thallian/alpine-s6:3.17
+FROM docker.io/thallian/alpine-s6:3.17-3.1.3.0
 
 COPY --from=builder /go/src/github.com/kelseyhightower/confd/bin/confd /bin/confd