diff --git a/Dockerfile b/Dockerfile
index 309ec06f4d..590b6eddff 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -56,8 +56,8 @@ RUN npm install -g npm@latest && \
 COPY Gemfile* package.json yarn.lock /opt/mastodon/
 
 RUN cd /opt/mastodon && \
-  bundle config set deployment 'true' && \
-  bundle config set without 'development test' && \
+  bundle config set --local deployment 'true' && \
+  bundle config set --local without 'development test' && \
   bundle config set silence_root_warning true && \
 	bundle install -j"$(nproc)" && \
 	yarn install --pure-lockfile