diff --git a/Dockerfile b/Dockerfile
index 0c2a106..a690a77 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -33,6 +33,7 @@ RUN export BUILD_DEPS="build-base \
 && gem install bundler \
 && git clone -b master https://github.com/diaspora/diaspora.git /diaspora \
 && cd /diaspora \
+&& rm Gemfile.lock \
 && gem uninstall eye \
 && gem install eye -v 0.9.2.nosigar \
 && chmod +x script/server \