diff --git a/services/backend/Dockerfile b/services/backend/Dockerfile
index f0ffaa9a..26d8a10d 100644
--- a/services/backend/Dockerfile
+++ b/services/backend/Dockerfile
@@ -36,6 +36,7 @@ ENV PATH="${BUNDLE_BIN}:${PATH}"
 COPY . .
 
 RUN bundle install
+RUN bundler install
 RUN yarn install
 RUN yarn build