diff --git a/Dockerfile b/Dockerfile
index bd23b05..8727be3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
-FROM travix/base-alpine:3.5 as builder
+FROM alpine:3.15 as builder
 
-ENV TINYPROXY_VERSION=1.11.0-rc1
+ENV TINYPROXY_VERSION=1.11.0
 
 RUN adduser -D -u 2000 -h /var/run/tinyproxy -s /sbin/nologin tinyproxy tinyproxy \
   && apk --update add -t build-dependencies \
@@ -18,8 +18,7 @@ RUN adduser -D -u 2000 -h /var/run/tinyproxy -s /sbin/nologin tinyproxy tinyprox
   && make \
   && make install
 
-FROM alpine:3.5
-MAINTAINER Aleksander Cynarski <aleksander@cynarski.pl>
+FROM alpine:3.15
 
 RUN set -xe \
     && apk add --no-cache wget curl bash openssh