diff --git a/.ruby-version b/.ruby-version
index 276cbf9..ef538c2 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.3.0
+3.1.2
diff --git a/Gemfile b/Gemfile
index d20d0b2..204b03f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,11 +1,11 @@
 source "https://rubygems.org"
 
-ruby "2.3.0"
+ruby "3.1.2"
 
 gem "activerecord"
 gem "byebug"
 gem "database_cleaner"
-gem "factory_girl"
+gem "factory_bot"
 gem "pg"
 gem "pry"
 gem "rake"
diff --git a/Gemfile.lock b/Gemfile.lock
index 6f91f22..ed4569e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,67 +1,68 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activemodel (4.2.4)
-      activesupport (= 4.2.4)
-      builder (~> 3.1)
-    activerecord (4.2.4)
-      activemodel (= 4.2.4)
-      activesupport (= 4.2.4)
-      arel (~> 6.0)
-    activesupport (4.2.4)
-      i18n (~> 0.7)
-      json (~> 1.7, >= 1.7.7)
-      minitest (~> 5.1)
-      thread_safe (~> 0.3, >= 0.3.4)
-      tzinfo (~> 1.1)
-    arel (6.0.3)
-    builder (3.2.2)
-    byebug (6.0.2)
-    coderay (1.1.0)
-    database_cleaner (1.5.1)
-    diff-lcs (1.2.5)
-    factory_girl (4.5.0)
-      activesupport (>= 3.0.0)
-    i18n (0.7.0)
-    json (1.8.3)
-    method_source (0.8.2)
-    minitest (5.8.2)
-    pg (0.18.3)
-    pry (0.10.3)
-      coderay (~> 1.1.0)
-      method_source (~> 0.8.1)
-      slop (~> 3.4)
-    rake (10.4.2)
-    rspec (3.3.0)
-      rspec-core (~> 3.3.0)
-      rspec-expectations (~> 3.3.0)
-      rspec-mocks (~> 3.3.0)
-    rspec-core (3.3.2)
-      rspec-support (~> 3.3.0)
-    rspec-expectations (3.3.1)
+    activemodel (7.0.4.3)
+      activesupport (= 7.0.4.3)
+    activerecord (7.0.4.3)
+      activemodel (= 7.0.4.3)
+      activesupport (= 7.0.4.3)
+    activesupport (7.0.4.3)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+    byebug (11.1.3)
+    coderay (1.1.3)
+    concurrent-ruby (1.2.2)
+    database_cleaner (2.0.2)
+      database_cleaner-active_record (>= 2, < 3)
+    database_cleaner-active_record (2.1.0)
+      activerecord (>= 5.a)
+      database_cleaner-core (~> 2.0.0)
+    database_cleaner-core (2.0.1)
+    diff-lcs (1.5.0)
+    factory_bot (6.2.1)
+      activesupport (>= 5.0.0)
+    i18n (1.13.0)
+      concurrent-ruby (~> 1.0)
+    method_source (1.0.0)
+    minitest (5.18.0)
+    pg (1.5.3)
+    pry (0.14.2)
+      coderay (~> 1.1)
+      method_source (~> 1.0)
+    rake (13.0.6)
+    rspec (3.12.0)
+      rspec-core (~> 3.12.0)
+      rspec-expectations (~> 3.12.0)
+      rspec-mocks (~> 3.12.0)
+    rspec-core (3.12.2)
+      rspec-support (~> 3.12.0)
+    rspec-expectations (3.12.3)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.3.0)
-    rspec-mocks (3.3.2)
+      rspec-support (~> 3.12.0)
+    rspec-mocks (3.12.5)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.3.0)
-    rspec-support (3.3.0)
-    slop (3.6.0)
-    thread_safe (0.3.5)
-    tzinfo (1.2.2)
-      thread_safe (~> 0.1)
+      rspec-support (~> 3.12.0)
+    rspec-support (3.12.0)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
 
 PLATFORMS
-  ruby
+  arm64-darwin-21
 
 DEPENDENCIES
   activerecord
   byebug
   database_cleaner
-  factory_girl
+  factory_bot
   pg
   pry
   rake
   rspec
 
+RUBY VERSION
+   ruby 3.1.2p20
+
 BUNDLED WITH
-   1.10.6
+   2.3.20
diff --git a/db/schema.rb b/db/schema.rb
index 241a085..7ae1e11 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -1,4 +1,4 @@
-class CreateSchema < ActiveRecord::Migration
+class CreateSchema < ActiveRecord::Migration[7.0]
   def self.up
     create_table :people, force: true do |table|
       table.string :name, null: false
diff --git a/spec/factories.rb b/spec/factories.rb
index f874f49..8f6647e 100644
--- a/spec/factories.rb
+++ b/spec/factories.rb
@@ -1,4 +1,4 @@
-FactoryGirl.define do
+FactoryBot.define do
   sequence :name do |value|
     "name#{value}sequence"
   end
@@ -12,7 +12,7 @@
     location
     name
     role
-    salary 0
+    salary { 0 }
   end
 
   factory :region do
@@ -21,6 +21,6 @@
 
   factory :role do
     name
-    billable true
+    billable { true }
   end
 end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 8fa27b4..b32ed81 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,6 +1,6 @@
 require "active_record"
 require "database_cleaner"
-require "factory_girl"
+require "factory_bot"
 
 Dir.glob(File.expand_path("../../app/models/*.rb", __FILE__)) do |model|
   require model
@@ -20,7 +20,7 @@
 CreateSchema.suppress_messages { CreateSchema.migrate(:up) }
 
 RSpec.configure do |config|
-  config.include FactoryGirl::Syntax::Methods
+  config.include FactoryBot::Syntax::Methods
 
   config.before(:suite) do
     DatabaseCleaner.clean_with(:deletion)