diff --git a/tor/Dockerfile b/tor/Dockerfile
index 0880035..06f7778 100644
--- a/tor/Dockerfile
+++ b/tor/Dockerfile
@@ -1,11 +1,15 @@
 FROM alpine:edge
 
+ARG ARM_VERSION=1.4.5.0
+
 VOLUME /tor
 VOLUME /torconfig
 
 RUN echo "@testing http://nl.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories \
- && apk -U add tor@testing \
- && rm -f /var/cache/apk/* \
+ && apk -U add tor@testing python openssl ca-certificates \
+ && wget -q https://www.atagar.com/arm/resources/static/arm-${ARM_VERSION}.tar.bz2 -P /tmp \
+ && tar xjf /tmp/arm-${ARM_VERSION}.tar.bz2 -C /tmp && cd /tmp/arm && ./install \
+ && rm -rf /var/cache/apk/* /tmp/* \
  && chown -R tor /etc/tor /tor /torconfig
 
 EXPOSE 9001 9030