diff --git a/Dockerfile b/Dockerfile
index 8367866e4..009653a6c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -30,9 +30,7 @@ WORKDIR $RAILS_ROOT
 # Use the Gemfiles as Docker cache markers. Always bundle before copying app src.
 # (the src likely changed and we don't want to invalidate Docker's cache too early)
 COPY Gemfile* ./
-
-# Finish establishing our Ruby environment
-RUN bundle install --full-index
+RUN bundle install
 
 # Copy the Rails application into place
 COPY . .