Dockerfile in arstotzka-1.3.0 vs Dockerfile in arstotzka-1.3.1

@@ -1,5 +1,5 @@
-FROM darthjee/ruby_gems:0.0.1
+FROM darthjee/ruby_gems:0.0.2
 
 USER app
 COPY --chown=app ./ /home/app/app/
 
 RUN bundle install