diff --git a/Gemfile b/Gemfile
index a08eb04..fb9f95e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,4 @@
-ruby '2.6.3'
+ruby '2.7.8'
 source 'https://rubygems.org'
 
 gem 'compass'
diff --git a/Gemfile.lock b/Gemfile.lock
index 7e8ee16..c82fd19 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -170,7 +170,7 @@ DEPENDENCIES
   uglifier
 
 RUBY VERSION
-   ruby 2.6.3p62
+   ruby 2.7.8p225
 
 BUNDLED WITH
    1.17.2