diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 77ce9be..8b62a58 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -69,10 +69,6 @@ jobs:
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ruby
-
-      - run: bundle install
-      - run: git config --global user.name "Github Actions"
-      - run: git config --global user.email "actions@github.com"
-      - run: git commit -am "update Gemfile.lock"
+          bundler-cache: true
 
       - uses: rubygems/release-gem@v1
diff --git a/.gitignore b/.gitignore
index e59ef9d..cab715b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,4 @@
 
 log
 *.gemspec
+Gemfile.lock
diff --git a/Gemfile b/Gemfile
index f539766..3ebc162 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,13 +4,13 @@ source "https://rubygems.org"
 
 gemspec
 
-gem "async", "1.31.0" # TODO: Remove version binding after Ruby 2.7 and 3.0 support drop.
-gem "money"
-gem "pg"
-gem "pry"
-gem "rake"
-gem "rspec"
-gem "rubocop-config-umbrellio"
-gem "simplecov"
-gem "simplecov-lcov"
-gem "symbiont-ruby"
+gem "async", "~> 1.31.0"
+gem "money", "~> 6.19.0"
+gem "pg", "~> 1.5.7"
+gem "pry", "~> 0.14.2"
+gem "rake", "~> 13.2.1"
+gem "rspec", "~> 3.13.0"
+gem "rubocop-config-umbrellio", "~> 1.63.0.93"
+gem "simplecov", "~> 0.22.0"
+gem "simplecov-lcov", "~> 0.8.0"
+gem "symbiont-ruby", "~> 0.7.0"
diff --git a/Gemfile.lock b/Gemfile.lock
deleted file mode 100644
index 23de5d7..0000000
--- a/Gemfile.lock
+++ /dev/null
@@ -1,153 +0,0 @@
-PATH
-  remote: .
-  specs:
-    umbrellio-sequel-plugins (0.16.0.233)
-      sequel
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activesupport (7.1.4)
-      base64
-      bigdecimal
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      connection_pool (>= 2.2.5)
-      drb
-      i18n (>= 1.6, < 2)
-      minitest (>= 5.1)
-      mutex_m
-      tzinfo (~> 2.0)
-    ast (2.4.2)
-    async (1.31.0)
-      console (~> 1.10)
-      nio4r (~> 2.3)
-      timers (~> 4.1)
-    base64 (0.2.0)
-    bigdecimal (3.1.8)
-    coderay (1.1.3)
-    concurrent-ruby (1.3.4)
-    connection_pool (2.4.1)
-    console (1.24.0)
-      fiber-annotation
-      fiber-local
-      json
-    diff-lcs (1.5.1)
-    docile (1.4.1)
-    drb (2.2.1)
-    fiber-annotation (0.2.0)
-    fiber-local (1.0.0)
-    i18n (1.14.5)
-      concurrent-ruby (~> 1.0)
-    json (2.7.2)
-    language_server-protocol (3.17.0.3)
-    method_source (1.1.0)
-    minitest (5.25.1)
-    money (6.19.0)
-      i18n (>= 0.6.4, <= 2)
-    mutex_m (0.2.0)
-    nio4r (2.7.3)
-    parallel (1.26.3)
-    parser (3.3.5.0)
-      ast (~> 2.4.1)
-      racc
-    pg (1.5.7)
-    pry (0.14.2)
-      coderay (~> 1.1)
-      method_source (~> 1.0)
-    racc (1.8.1)
-    rack (3.1.7)
-    rainbow (3.1.1)
-    rake (13.2.1)
-    regexp_parser (2.9.2)
-    rexml (3.3.7)
-    rspec (3.13.0)
-      rspec-core (~> 3.13.0)
-      rspec-expectations (~> 3.13.0)
-      rspec-mocks (~> 3.13.0)
-    rspec-core (3.13.1)
-      rspec-support (~> 3.13.0)
-    rspec-expectations (3.13.2)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.13.0)
-    rspec-mocks (3.13.1)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.13.0)
-    rspec-support (3.13.1)
-    rubocop (1.63.5)
-      json (~> 2.3)
-      language_server-protocol (>= 3.17.0)
-      parallel (~> 1.10)
-      parser (>= 3.3.0.2)
-      rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 1.8, < 3.0)
-      rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.31.1, < 2.0)
-      ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.32.3)
-      parser (>= 3.3.1.0)
-    rubocop-capybara (2.21.0)
-      rubocop (~> 1.41)
-    rubocop-config-umbrellio (1.63.0.93)
-      rubocop (~> 1.63.0)
-      rubocop-performance (~> 1.21.0)
-      rubocop-rails (~> 2.24.0)
-      rubocop-rake (~> 0.6.0)
-      rubocop-rspec (~> 2.29.0)
-      rubocop-sequel (~> 0.3.3)
-    rubocop-factory_bot (2.26.1)
-      rubocop (~> 1.61)
-    rubocop-performance (1.21.1)
-      rubocop (>= 1.48.1, < 2.0)
-      rubocop-ast (>= 1.31.1, < 2.0)
-    rubocop-rails (2.24.1)
-      activesupport (>= 4.2.0)
-      rack (>= 1.1)
-      rubocop (>= 1.33.0, < 2.0)
-      rubocop-ast (>= 1.31.1, < 2.0)
-    rubocop-rake (0.6.0)
-      rubocop (~> 1.0)
-    rubocop-rspec (2.29.2)
-      rubocop (~> 1.40)
-      rubocop-capybara (~> 2.17)
-      rubocop-factory_bot (~> 2.22)
-      rubocop-rspec_rails (~> 2.28)
-    rubocop-rspec_rails (2.29.1)
-      rubocop (~> 1.61)
-    rubocop-sequel (0.3.4)
-      rubocop (~> 1.0)
-    ruby-progressbar (1.13.0)
-    sequel (5.84.0)
-      bigdecimal
-    simplecov (0.22.0)
-      docile (~> 1.1)
-      simplecov-html (~> 0.11)
-      simplecov_json_formatter (~> 0.1)
-    simplecov-html (0.12.3)
-    simplecov-lcov (0.8.0)
-    simplecov_json_formatter (0.1.4)
-    symbiont-ruby (0.7.0)
-    timers (4.3.5)
-    tzinfo (2.0.6)
-      concurrent-ruby (~> 1.0)
-    unicode-display_width (2.5.0)
-
-PLATFORMS
-  arm64-darwin-23
-  x86_64-linux
-
-DEPENDENCIES
-  async (= 1.31.0)
-  money
-  pg
-  pry
-  rake
-  rspec
-  rubocop-config-umbrellio
-  simplecov
-  simplecov-lcov
-  symbiont-ruby
-  umbrellio-sequel-plugins!
-
-BUNDLED WITH
-   2.5.18