diff --git a/Dockerfile b/Dockerfile
index c4fcd8e..2492146 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -54,9 +54,7 @@ WORKDIR /opt/erlang/epp_proxy
 COPY .tool-versions ./
 RUN asdf plugin-add erlang
 RUN asdf install
+RUN asdf global erlang $(grep erlang .tool-versions | cut -d' ' -f2)
 RUN asdf plugin-add ruby
+RUN asdf plugin-add rebar
 RUN asdf install
-
-RUN curl https://s3.amazonaws.com/rebar3/rebar3 -o /rebar3
-RUN mv /rebar3 /usr/local/bin
-RUN chmod +x /usr/local/bin/rebar3