diff --git a/scripts/install b/scripts/install
index 8e505e7..81ce213 100644
--- a/scripts/install
+++ b/scripts/install
@@ -170,14 +170,14 @@ eval \"\$(rbenv init -)\"" > $final_path/.profile
 
 # Install ruby-build
 (
-	exec_as "$app" $final_path/.rbenv/bin/rbenv install 2.5.0
-	exec_as "$app" $final_path/.rbenv/bin/rbenv global 2.5.0
-	exec_as "$app" $final_path/.rbenv/versions/2.5.0/bin/ruby -v
+	exec_as "$app" $final_path/.rbenv/bin/rbenv install 2.5.1
+	exec_as "$app" $final_path/.rbenv/bin/rbenv global 2.5.1
+	exec_as "$app" $final_path/.rbenv/versions/2.5.1/bin/ruby -v
 )
 
 # Create symlink for ruby
 rm /usr/bin/ruby || true
-ln -s $final_path/.rbenv/versions/2.5.0/bin/ruby /usr/bin/ruby || true
+ln -s $final_path/.rbenv/versions/2.5.1/bin/ruby /usr/bin/ruby || true
 
 # Adjust Mastodon config
 # TODO: use official helper ynh_replace_string
@@ -214,7 +214,7 @@ sed -i "s@#SMTP_OPENSSL_VERIFY_MODE=peer@SMTP_OPENSSL_VERIFY_MODE=none@g" "${fin
 (
 	cd "$final_path/live"
 	su mastodon <<INSTALL
-$final_path/.rbenv/versions/2.5.0/bin/gem install bundler
+$final_path/.rbenv/versions/2.5.1/bin/gem install bundler
 $final_path/live/bin/bundle install -j$(getconf _NPROCESSORS_ONLN) --deployment --without development test --quiet
 yarn install --production --no-progress --non-interactive --silent
 
diff --git a/scripts/upgrade b/scripts/upgrade
index e34ef9d..9d7cc7c 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -113,23 +113,23 @@ cp ../conf/nginx.conf /etc/nginx/conf.d/$domain.d/$app.conf
 ynh_setup_source "$final_path/.rbenv"                    "app-rbenv"
 ynh_setup_source "$final_path/.rbenv/plugins/ruby-build" "app-ruby-build"
 
-# Install ruby 2.5.0
+# Install ruby 2.5.1
 (
-	exec_as "$app" $final_path/.rbenv/bin/rbenv install 2.5.0 || true
-	exec_as "$app" $final_path/.rbenv/bin/rbenv global 2.5.0 || true
-	exec_as "$app" $final_path/.rbenv/versions/2.5.0/bin/ruby -v
+	exec_as "$app" $final_path/.rbenv/bin/rbenv install 2.5.1 || true
+	exec_as "$app" $final_path/.rbenv/bin/rbenv global 2.5.1 || true
+	exec_as "$app" $final_path/.rbenv/versions/2.5.1/bin/ruby -v
 )
 
 # Create symlink for ruby
 rm /usr/bin/ruby || true
-ln -s $final_path/.rbenv/versions/2.5.0/bin/ruby /usr/bin/ruby || true
+ln -s $final_path/.rbenv/versions/2.5.1/bin/ruby /usr/bin/ruby || true
 
 # Preconfig CSS & JS
 # Install Mastodon
 (
 sudo su - $app <<MCOMMANDS
 pushd ~/live
-$final_path/.rbenv/versions/2.5.0/bin/gem install bundler
+$final_path/.rbenv/versions/2.5.1/bin/gem install bundler
 bin/bundle install --deployment --without development test
 yarn install --pure-lockfile
 MCOMMANDS