diff --git a/lazyDir/Gemfile.lock b/lazyDir/Gemfile.lock
index 19f6d2b..8f468dc 100644
--- a/lazyDir/Gemfile.lock
+++ b/lazyDir/Gemfile.lock
@@ -178,7 +178,7 @@
   fastlane-plugin-firebase_app_distribution
 
 RUBY VERSION
-   ruby 2.6.5p114
+   ruby 2.6.2p47
 
 BUNDLED WITH
-   1.17.2
+   2.1.4
diff --git a/lazyDir/centos7.Dockerfile b/lazyDir/centos7.Dockerfile
index 01fb1a7..f48c1f1 100644
--- a/lazyDir/centos7.Dockerfile
+++ b/lazyDir/centos7.Dockerfile
@@ -99,14 +99,17 @@
 RUN groupadd -g "${gid}" "${group}" && useradd -ms /bin/bash -g "${group}" -u "${uid}" "${user}"
 
 # Copy requirements in non-root user home directory
-COPY "Gemfile" "/home/${user}/Gemfile"
-COPY "Gemfile.lock" "/home/${user}/Gemfile.lock"
+COPY Gemfile Gemfile.lock "/home/${user}/"
 RUN chown "${user}:${group}" "/home/${user}/Gemfile"*
 
 # Switch to non-root user and install requirements
 USER ${user}
 WORKDIR /home/${user}
-RUN /usr/local/bin/withruby bundler install --path /home/${user}/.gems
+RUN /usr/local/bin/withruby gem install bundler --version `sed -n -r -e '/BUNDLED WITH/,$ { s/\s+([.0-9]+)/\1/ p }' Gemfile.lock`
+RUN /usr/local/bin/withruby bundler config --global path /home/${user}/.bundle/gems
+RUN /usr/local/bin/withruby bundler config --global bin /home/${user}/bin
+RUN /usr/local/bin/withruby bundler install
+ENV GEM_PATH=/home/${user}/.gem/ruby:/home/${user}/.bundle/gems/ruby/2.6.0:/opt/rh/rh-ruby26/root/usr/share/gems
 
 # Prepare locales (for Jekyll)
 ARG locale=en_US.UTF-8