diff --git a/Dockerfile b/Dockerfile
index dc48bb109..a166aa11b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -42,7 +42,6 @@ WORKDIR /home/app/webapp
 RUN mkdir -p vendor/bundle && \
     chown -R app:app . && \
     chmod -R 755 . && \
-    gem update --system && \
     gem install bundler && \
     /sbin/setuser app bundle install --path vendor/bundle