1 files changed, 1 insertions, 0 deletions

diff --git a/Gemfile b/Gemfile
index 1d42fec..b369629 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,3 +1,4 @@
+#ruby=ruby-2.6
 # frozen_string_literal: true
 
 source "https://rubygems.org"