diff --git a/Dockerfile b/Dockerfile
index b48ebc3..32d1bab 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,7 @@ WORKDIR /app
 COPY Gemfile /app
 COPY Gemfile.lock /app
 
-RUN gem install bundler -v '>= 2.0'
+RUN gem install bundler -v '2.3.27'
 RUN bundle install --without development
 COPY . /app