diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index bc25b08..2e6af02 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -19,14 +19,14 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['2.7', '3.1']
+        ruby-version: ['3.1', '3.2', '3.3']
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby-version }}
         bundler-cache: true # runs 'bundle install' and caches installed gems automatically
     - name: Run tests
-      run: bundle exec rake
+      run: script/test
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4b80d4f..23c40f2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # CHANGELOG
 
+## Unreleased
+* Minimum supported Ruby version is now 3.1
+
 ## 0.2.1
 
 * Fix Windows paths [#31](https://github.com/testdouble/good-migrations/pull/31)
diff --git a/Gemfile.lock b/Gemfile.lock
index b67beb4..8aa0f96 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -39,6 +39,9 @@ GEM
     erubi (1.10.0)
     i18n (1.10.0)
       concurrent-ruby (~> 1.0)
+    json (2.8.2)
+    language_server-protocol (3.17.0.3)
+    lint_roller (1.1.0)
     loofah (2.16.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
@@ -48,9 +51,10 @@ GEM
     nokogiri (1.13.4)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
-    parallel (1.22.1)
-    parser (3.1.2.0)
+    parallel (1.26.3)
+    parser (3.3.6.0)
       ast (~> 2.4.1)
+      racc
     pry (0.14.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
@@ -72,30 +76,39 @@ GEM
       zeitwerk (~> 2.5)
     rainbow (3.1.1)
     rake (13.0.6)
-    regexp_parser (2.3.0)
-    rexml (3.2.5)
-    rubocop (1.27.0)
+    regexp_parser (2.9.2)
+    rubocop (1.68.0)
+      json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
-      parser (>= 3.1.0.0)
+      parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 1.8, < 3.0)
-      rexml
-      rubocop-ast (>= 1.16.0, < 2.0)
+      regexp_parser (>= 2.4, < 3.0)
+      rubocop-ast (>= 1.32.2, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.17.0)
-      parser (>= 3.1.1.0)
-    rubocop-performance (1.13.3)
-      rubocop (>= 1.7.0, < 2.0)
-      rubocop-ast (>= 0.4.0)
-    ruby-progressbar (1.11.0)
-    standard (1.10.0)
-      rubocop (= 1.27.0)
-      rubocop-performance (= 1.13.3)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.36.1)
+      parser (>= 3.3.1.0)
+    rubocop-performance (1.22.1)
+      rubocop (>= 1.48.1, < 2.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
+    ruby-progressbar (1.13.0)
+    standard (1.42.0)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.0)
+      rubocop (~> 1.68.0)
+      standard-custom (~> 1.0.0)
+      standard-performance (~> 1.5)
+    standard-custom (1.0.2)
+      lint_roller (~> 1.0)
+      rubocop (~> 1.50)
+    standard-performance (1.5.0)
+      lint_roller (~> 1.1)
+      rubocop-performance (~> 1.22.0)
     thor (1.2.1)
     tzinfo (2.0.4)
       concurrent-ruby (~> 1.0)
-    unicode-display_width (2.1.0)
+    unicode-display_width (2.6.0)
     zeitwerk (2.5.4)
 
 PLATFORMS
diff --git a/example/Gemfile b/example/Gemfile
index d407444..4cc3371 100644
--- a/example/Gemfile
+++ b/example/Gemfile
@@ -4,8 +4,8 @@ gem "rails", "~> 6.1"
 
 gem "good_migrations", path: ".."
 
-gem "sqlite3"
+gem "sqlite3", "~> 1.7.3"
 
-gem "zeitwerk", github: "fxn/zeitwerk"
+gem "zeitwerk", "~> 2.6"
 
 gem "bootsnap", require: false
diff --git a/good_migrations.gemspec b/good_migrations.gemspec
index 66e5abe..ed60baa 100644
--- a/good_migrations.gemspec
+++ b/good_migrations.gemspec
@@ -12,7 +12,7 @@ Gem::Specification.new do |spec|
   spec.description = "Referencing code in app/ from a database migration risks breaking the migration when your app code changes; this gem prevents that mistake"
   spec.homepage = "https://github.com/testdouble/good-migrations"
   spec.license = "MIT"
-  spec.required_ruby_version = ">= 2.3.0"
+  spec.required_ruby_version = ">= 3.1.0"
   spec.metadata["rubygems_mfa_required"] = "true"
 
   spec.files = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
diff --git a/script/test b/script/test
new file mode 100755
index 0000000..fd801fc
--- /dev/null
+++ b/script/test
@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+echo "---> Installing dependencies in example app"
+cd example
+bundle
+cd ..
+
+echo "---> Running tests"
+bundle exec rake
+
+echo "---> Job's done!"