diff --git a/.ruby-version b/.ruby-version
index bff6ce5..85588be 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-ruby-2.7.1
+ruby-3.0.0
diff --git a/Gemfile b/Gemfile
index f506d36..f89dcfa 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,5 @@
 source 'https://rubygems.org'
-ruby '2.7.1'
+ruby '3.0.0'
 
 gem 'rails', '~> 6.0'
 gem 'pg', '~> 1.2.3'