diff --git a/Dockerfile b/Dockerfile
index 6407753..40309d8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,17 +1,13 @@
 FROM ruby:3.3.5-bookworm
 
 RUN curl -sL https://deb.nodesource.com/setup_lts.x | bash - && \
-    curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - && \
-    echo "deb https://dl.yarnpkg.com/debian/ stable main" > /etc/apt/sources.list.d/yarn.list && \
     apt-get update && apt-get dist-upgrade -y && \
     apt-get install -y \
         nodejs \
-        yarn \
         nginx && \
     apt-get autoremove -y && apt-get clean && rm -rf /var/lib/apt/lists/*
 
-RUN gem update --system && gem install bundler
-
+RUN gem update --no-document --system 3.5.21 && gem install bundler --no-document -v 2.5.21 && corepack enable
 
 # Install nginx config files
 RUN rm /etc/nginx/sites-enabled/default