diff --git a/scripts/install b/scripts/install
index 1536cd5..fceb134 100644
--- a/scripts/install
+++ b/scripts/install
@@ -209,6 +209,7 @@ ynh_replace_string "#SMTP_OPENSSL_VERIFY_MODE=peer"              "SMTP_OPENSSL_V
 	cd "$final_path/live"
 	su mastodon <<INSTALL
 		$final_path/.rbenv/versions/2.5.3/bin/gem install bundler
+		$final_path/.rbenv/versions/2.5.3/bin/gem install bundler:1.16.5
 		$final_path/live/bin/bundle install -j$(getconf _NPROCESSORS_ONLN) --deployment --without development test 
 		yarn install --production --no-progress --non-interactive --silent
 		echo "SAFETY_ASSURED=1">> .env.production