diff --git a/Dockerfile b/Dockerfile
index 66350f8..0f5d46e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
-FROM resnullius/alpine:edge
-MAINTAINER Jose-Luis Rivas <me@ghostbar.co>
+FROM alpine:3.8
+MAINTAINER Michał 'rysiek' Woźniak <rysiek@occrp.org>
 
-RUN apk-install offlineimap && \
+RUN apk add offlineimap ca-certificates && \
       addgroup -g 1000 user && \
       adduser -D -h /home/user -G user -u 1000 user