diff --git a/.ruby-version b/.ruby-version
index a603bb5..ef538c2 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.7.5
+3.1.2
diff --git a/Gemfile b/Gemfile
index bef2a4c..0428adf 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,7 @@
 source 'https://rubygems.org'
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
-ruby '2.7.5'
+ruby '3.1.2'
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '~> 7.0.3'
diff --git a/Gemfile.lock b/Gemfile.lock
index 7ef0944..0f5eaaa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -349,7 +349,7 @@ DEPENDENCIES
   tzinfo-data
 
 RUBY VERSION
-   ruby 2.7.5p203
+   ruby 3.1.2p20
 
 BUNDLED WITH
-   2.3.13
+   2.3.7