1 files changed, 1 insertions, 0 deletions

diff --git a/Gemfile b/Gemfile
index 8014308..7baae69 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,3 +1,4 @@
+ruby '2.6.3'
 source 'https://rubygems.org'
 
 gem 'sinatra'