diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..cdc2de3
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,59 @@
+name: CI
+
+on:
+  - push
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby-version:
+          - 2.7
+          - '3.0'
+          - 3.1
+          - 3.2
+          - 3.3
+        rails-version:
+          - '6.0'
+          - 6.1
+          - '7.0'
+          - 7.1
+          - 7.2
+        exclude:
+          - ruby-version: 2.7
+            rails-version: 7.1
+          - ruby-version: 2.7
+            rails-version: 7.2
+          - ruby-version: 3.0
+            rails-version: 6.0
+          - ruby-version: 3.0
+            rails-version: 7.1
+          - ruby-version: 3.0
+            rails-version: 7.2
+          - ruby-version: 3.1
+            rails-version: 6.0
+          - ruby-version: 3.1
+            rails-version: 6.1
+          - ruby-version: 3.2
+            rails-version: 6.0
+          - ruby-version: 3.2
+            rails-version: 6.1
+          - ruby-version: 3.2
+            rails-version: 7.0
+          - ruby-version: 3.3
+            rails-version: 6.0
+          - ruby-version: 3.3
+            rails-version: 6.1
+          - ruby-version: 3.3
+            rails-version: 7.0
+    env:
+      BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/rails_${{ matrix.rails-version }}.gemfile
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: "${{ matrix.ruby-version }}"
+          bundler-cache: true
+      - run: bundle exec rake
diff --git a/Appraisals b/Appraisals
index 0e811ee..043e0f9 100644
--- a/Appraisals
+++ b/Appraisals
@@ -1,19 +1,22 @@
-appraise "rails-5.0" do
-  gem "activesupport", "~> 5.0.0"
+appraise "rails-6.0" do
+  gem "activesupport", "~> 6.0.0"
+  gem 'concurrent-ruby', '1.3.4'
 end
 
-appraise "rails-5.1" do
-  gem "activesupport", "~> 5.1.0"
+appraise "rails-6.1" do
+  gem "activesupport", "~> 6.1.0"
+  gem 'concurrent-ruby', '1.3.4'
 end
 
-appraise "rails-5.2" do
-  gem "activesupport", "~> 5.2.0"
+appraise "rails-7.0" do
+  gem "activesupport", "~> 7.0.0"
+  gem 'concurrent-ruby', '1.3.4'
 end
 
-appraise "rails-6.0" do
-  gem "activesupport", "~> 6.0.0"
+appraise "rails-7.1" do
+  gem "activesupport", "~> 7.1.0"
 end
 
-appraise "rails-6.1" do
-  gem "activesupport", "~> 6.1.0"
+appraise "rails-7.2" do
+  gem "activesupport", "~> 7.2.0"
 end
diff --git a/gemfiles/rails_5.0.gemfile.lock b/gemfiles/rails_5.0.gemfile.lock
deleted file mode 100644
index 8d2faa5..0000000
--- a/gemfiles/rails_5.0.gemfile.lock
+++ /dev/null
@@ -1,69 +0,0 @@
-PATH
-  remote: ..
-  specs:
-    qbxml (0.4.0)
-      activesupport (>= 5.0.0)
-      builder (~> 3.0)
-      nokogiri (~> 1.5)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activesupport (5.0.7.2)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-    appraisal (2.3.0)
-      bundler
-      rake
-      thor (>= 0.14.0)
-    builder (3.2.4)
-    coderay (1.1.3)
-    concurrent-ruby (1.1.7)
-    diff-lcs (1.4.4)
-    i18n (1.8.5)
-      concurrent-ruby (~> 1.0)
-    method_source (0.9.2)
-    mini_portile2 (2.4.0)
-    minitest (5.14.2)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
-    pry (0.12.2)
-      coderay (~> 1.1.0)
-      method_source (~> 0.9.0)
-    pry-nav (0.3.0)
-      pry (>= 0.9.10, < 0.13.0)
-    rake (13.0.1)
-    rspec (3.10.0)
-      rspec-core (~> 3.10.0)
-      rspec-expectations (~> 3.10.0)
-      rspec-mocks (~> 3.10.0)
-    rspec-core (3.10.0)
-      rspec-support (~> 3.10.0)
-    rspec-expectations (3.10.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-mocks (3.10.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-support (3.10.0)
-    thor (1.0.1)
-    thread_safe (0.3.6)
-    tzinfo (1.2.8)
-      thread_safe (~> 0.1)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  activesupport (~> 5.0.0)
-  appraisal
-  pry
-  pry-nav
-  qbxml!
-  rake
-  rspec
-
-BUNDLED WITH
-   2.1.4
diff --git a/gemfiles/rails_5.1.gemfile.lock b/gemfiles/rails_5.1.gemfile.lock
deleted file mode 100644
index 3e74d53..0000000
--- a/gemfiles/rails_5.1.gemfile.lock
+++ /dev/null
@@ -1,69 +0,0 @@
-PATH
-  remote: ..
-  specs:
-    qbxml (0.4.0)
-      activesupport (>= 5.0.0)
-      builder (~> 3.0)
-      nokogiri (~> 1.5)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activesupport (5.1.7)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-    appraisal (2.3.0)
-      bundler
-      rake
-      thor (>= 0.14.0)
-    builder (3.2.4)
-    coderay (1.1.3)
-    concurrent-ruby (1.1.7)
-    diff-lcs (1.4.4)
-    i18n (1.8.5)
-      concurrent-ruby (~> 1.0)
-    method_source (0.9.2)
-    mini_portile2 (2.4.0)
-    minitest (5.14.2)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
-    pry (0.12.2)
-      coderay (~> 1.1.0)
-      method_source (~> 0.9.0)
-    pry-nav (0.3.0)
-      pry (>= 0.9.10, < 0.13.0)
-    rake (13.0.1)
-    rspec (3.10.0)
-      rspec-core (~> 3.10.0)
-      rspec-expectations (~> 3.10.0)
-      rspec-mocks (~> 3.10.0)
-    rspec-core (3.10.0)
-      rspec-support (~> 3.10.0)
-    rspec-expectations (3.10.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-mocks (3.10.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-support (3.10.0)
-    thor (1.0.1)
-    thread_safe (0.3.6)
-    tzinfo (1.2.8)
-      thread_safe (~> 0.1)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  activesupport (~> 5.1.0)
-  appraisal
-  pry
-  pry-nav
-  qbxml!
-  rake
-  rspec
-
-BUNDLED WITH
-   2.1.4
diff --git a/gemfiles/rails_5.2.gemfile.lock b/gemfiles/rails_5.2.gemfile.lock
deleted file mode 100644
index 86428f8..0000000
--- a/gemfiles/rails_5.2.gemfile.lock
+++ /dev/null
@@ -1,69 +0,0 @@
-PATH
-  remote: ..
-  specs:
-    qbxml (0.4.0)
-      activesupport (>= 5.0.0)
-      builder (~> 3.0)
-      nokogiri (~> 1.5)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activesupport (5.2.4.4)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-    appraisal (2.3.0)
-      bundler
-      rake
-      thor (>= 0.14.0)
-    builder (3.2.4)
-    coderay (1.1.3)
-    concurrent-ruby (1.1.7)
-    diff-lcs (1.4.4)
-    i18n (1.8.5)
-      concurrent-ruby (~> 1.0)
-    method_source (0.9.2)
-    mini_portile2 (2.4.0)
-    minitest (5.14.2)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
-    pry (0.12.2)
-      coderay (~> 1.1.0)
-      method_source (~> 0.9.0)
-    pry-nav (0.3.0)
-      pry (>= 0.9.10, < 0.13.0)
-    rake (13.0.1)
-    rspec (3.10.0)
-      rspec-core (~> 3.10.0)
-      rspec-expectations (~> 3.10.0)
-      rspec-mocks (~> 3.10.0)
-    rspec-core (3.10.0)
-      rspec-support (~> 3.10.0)
-    rspec-expectations (3.10.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-mocks (3.10.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-support (3.10.0)
-    thor (1.0.1)
-    thread_safe (0.3.6)
-    tzinfo (1.2.8)
-      thread_safe (~> 0.1)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  activesupport (~> 5.2.0)
-  appraisal
-  pry
-  pry-nav
-  qbxml!
-  rake
-  rspec
-
-BUNDLED WITH
-   2.1.4
diff --git a/gemfiles/rails_6.0.gemfile b/gemfiles/rails_6.0.gemfile
index c6e3091..cac0fde 100644
--- a/gemfiles/rails_6.0.gemfile
+++ b/gemfiles/rails_6.0.gemfile
@@ -3,5 +3,6 @@
 source "https://rubygems.org"
 
 gem "activesupport", "~> 6.0.0"
+gem "concurrent-ruby", "1.3.4"
 
 gemspec path: "../"
diff --git a/gemfiles/rails_6.0.gemfile.lock b/gemfiles/rails_6.0.gemfile.lock
index 128e653..b01c8f5 100644
--- a/gemfiles/rails_6.0.gemfile.lock
+++ b/gemfiles/rails_6.0.gemfile.lock
@@ -1,8 +1,9 @@
 PATH
   remote: ..
   specs:
-    qbxml (0.4.0)
-      activesupport (>= 5.0.0)
+    qbxml (0.5.0)
+      activesupport (>= 6.0.0)
+      bigdecimal
       builder (~> 3.0)
       nokogiri (~> 1.5)
 
@@ -19,36 +20,25 @@ GEM
       bundler
       rake
       thor (>= 0.14.0)
-    builder (3.2.4)
+    bigdecimal (3.2.1)
+    builder (3.3.0)
     coderay (1.1.3)
-    concurrent-ruby (1.1.7)
-    diff-lcs (1.4.4)
+    concurrent-ruby (1.3.4)
     i18n (1.8.5)
       concurrent-ruby (~> 1.0)
     method_source (0.9.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.9)
     minitest (5.14.2)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.15.7)
+      mini_portile2 (~> 2.8.2)
+      racc (~> 1.4)
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     pry-nav (0.3.0)
       pry (>= 0.9.10, < 0.13.0)
+    racc (1.8.1)
     rake (13.0.1)
-    rspec (3.10.0)
-      rspec-core (~> 3.10.0)
-      rspec-expectations (~> 3.10.0)
-      rspec-mocks (~> 3.10.0)
-    rspec-core (3.10.0)
-      rspec-support (~> 3.10.0)
-    rspec-expectations (3.10.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-mocks (3.10.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-support (3.10.0)
     thor (1.0.1)
     thread_safe (0.3.6)
     tzinfo (1.2.8)
@@ -61,11 +51,11 @@ PLATFORMS
 DEPENDENCIES
   activesupport (~> 6.0.0)
   appraisal
+  concurrent-ruby (= 1.3.4)
   pry
   pry-nav
   qbxml!
   rake
-  rspec
 
 BUNDLED WITH
    2.1.4
diff --git a/gemfiles/rails_6.1.gemfile b/gemfiles/rails_6.1.gemfile
index 116012a..366d5df 100644
--- a/gemfiles/rails_6.1.gemfile
+++ b/gemfiles/rails_6.1.gemfile
@@ -3,5 +3,6 @@
 source "https://rubygems.org"
 
 gem "activesupport", "~> 6.1.0"
+gem "concurrent-ruby", "1.3.4"
 
 gemspec path: "../"
diff --git a/gemfiles/rails_6.1.gemfile.lock b/gemfiles/rails_6.1.gemfile.lock
index b11bdaa..033944c 100644
--- a/gemfiles/rails_6.1.gemfile.lock
+++ b/gemfiles/rails_6.1.gemfile.lock
@@ -1,8 +1,9 @@
 PATH
   remote: ..
   specs:
-    qbxml (0.4.0)
-      activesupport (>= 5.0.0)
+    qbxml (0.5.0)
+      activesupport (>= 6.0.0)
+      bigdecimal
       builder (~> 3.0)
       nokogiri (~> 1.5)
 
@@ -19,52 +20,39 @@ GEM
       bundler
       rake
       thor (>= 0.14.0)
+    bigdecimal (3.2.1)
     builder (3.2.4)
     coderay (1.1.3)
-    concurrent-ruby (1.1.7)
-    diff-lcs (1.4.4)
+    concurrent-ruby (1.3.4)
     i18n (1.8.5)
       concurrent-ruby (~> 1.0)
     method_source (0.9.2)
-    mini_portile2 (2.4.0)
     minitest (5.14.2)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.15.7-x86_64-linux)
+      racc (~> 1.4)
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     pry-nav (0.3.0)
       pry (>= 0.9.10, < 0.13.0)
+    racc (1.8.1)
     rake (13.0.1)
-    rspec (3.10.0)
-      rspec-core (~> 3.10.0)
-      rspec-expectations (~> 3.10.0)
-      rspec-mocks (~> 3.10.0)
-    rspec-core (3.10.0)
-      rspec-support (~> 3.10.0)
-    rspec-expectations (3.10.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-mocks (3.10.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-support (3.10.0)
     thor (1.0.1)
     tzinfo (2.0.3)
       concurrent-ruby (~> 1.0)
     zeitwerk (2.4.2)
 
 PLATFORMS
-  ruby
+  x86_64-linux
 
 DEPENDENCIES
   activesupport (~> 6.1.0)
   appraisal
+  concurrent-ruby (= 1.3.4)
   pry
   pry-nav
   qbxml!
   rake
-  rspec
 
 BUNDLED WITH
-   2.1.4
+   2.3.27
diff --git a/gemfiles/rails_5.1.gemfile b/gemfiles/rails_7.0.gemfile
similarity index 59%
rename from gemfiles/rails_5.1.gemfile
rename to gemfiles/rails_7.0.gemfile
index a218404..70ce46c 100644
--- a/gemfiles/rails_5.1.gemfile
+++ b/gemfiles/rails_7.0.gemfile
@@ -2,6 +2,7 @@
 
 source "https://rubygems.org"
 
-gem "activesupport", "~> 5.1.0"
+gem "activesupport", "~> 7.0.0"
+gem "concurrent-ruby", "1.3.4"
 
 gemspec path: "../"
diff --git a/gemfiles/rails_7.0.gemfile.lock b/gemfiles/rails_7.0.gemfile.lock
new file mode 100644
index 0000000..7f042a4
--- /dev/null
+++ b/gemfiles/rails_7.0.gemfile.lock
@@ -0,0 +1,56 @@
+PATH
+  remote: ..
+  specs:
+    qbxml (0.5.0)
+      activesupport (>= 6.0.0)
+      bigdecimal
+      builder (~> 3.0)
+      nokogiri (~> 1.5)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    activesupport (7.0.8.7)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+    appraisal (2.5.0)
+      bundler
+      rake
+      thor (>= 0.14.0)
+    bigdecimal (3.2.1)
+    builder (3.3.0)
+    coderay (1.1.3)
+    concurrent-ruby (1.3.4)
+    i18n (1.14.7)
+      concurrent-ruby (~> 1.0)
+    method_source (1.1.0)
+    minitest (5.25.5)
+    nokogiri (1.15.7-x86_64-linux)
+      racc (~> 1.4)
+    pry (0.14.2)
+      coderay (~> 1.1)
+      method_source (~> 1.0)
+    pry-nav (1.0.0)
+      pry (>= 0.9.10, < 0.15)
+    racc (1.8.1)
+    rake (13.3.0)
+    thor (1.3.2)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+
+PLATFORMS
+  x86_64-linux
+
+DEPENDENCIES
+  activesupport (~> 7.0.0)
+  appraisal
+  concurrent-ruby (= 1.3.4)
+  pry
+  pry-nav
+  qbxml!
+  rake
+
+BUNDLED WITH
+   2.3.27
diff --git a/gemfiles/rails_5.0.gemfile b/gemfiles/rails_7.1.gemfile
similarity index 74%
rename from gemfiles/rails_5.0.gemfile
rename to gemfiles/rails_7.1.gemfile
index df19fea..802ac8e 100644
--- a/gemfiles/rails_5.0.gemfile
+++ b/gemfiles/rails_7.1.gemfile
@@ -2,6 +2,6 @@
 
 source "https://rubygems.org"
 
-gem "activesupport", "~> 5.0.0"
+gem "activesupport", "~> 7.1.0"
 
 gemspec path: "../"
diff --git a/gemfiles/rails_7.1.gemfile.lock b/gemfiles/rails_7.1.gemfile.lock
new file mode 100644
index 0000000..7d6aab6
--- /dev/null
+++ b/gemfiles/rails_7.1.gemfile.lock
@@ -0,0 +1,72 @@
+PATH
+  remote: ..
+  specs:
+    qbxml (0.5.0)
+      activesupport (>= 6.0.0)
+      bigdecimal
+      builder (~> 3.0)
+      nokogiri (~> 1.5)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    activesupport (7.1.5.1)
+      base64
+      benchmark (>= 0.3)
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      connection_pool (>= 2.2.5)
+      drb
+      i18n (>= 1.6, < 2)
+      logger (>= 1.4.2)
+      minitest (>= 5.1)
+      mutex_m
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0)
+    appraisal (2.5.0)
+      bundler
+      rake
+      thor (>= 0.14.0)
+    base64 (0.3.0)
+    benchmark (0.4.1)
+    bigdecimal (3.2.1)
+    builder (3.3.0)
+    coderay (1.1.3)
+    concurrent-ruby (1.3.5)
+    connection_pool (2.5.3)
+    drb (2.2.3)
+    i18n (1.14.7)
+      concurrent-ruby (~> 1.0)
+    logger (1.7.0)
+    method_source (1.1.0)
+    mini_portile2 (2.8.9)
+    minitest (5.25.5)
+    mutex_m (0.3.0)
+    nokogiri (1.17.2)
+      mini_portile2 (~> 2.8.2)
+      racc (~> 1.4)
+    pry (0.14.2)
+      coderay (~> 1.1)
+      method_source (~> 1.0)
+    pry-nav (1.0.0)
+      pry (>= 0.9.10, < 0.15)
+    racc (1.8.1)
+    rake (13.3.0)
+    securerandom (0.3.2)
+    thor (1.3.2)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  activesupport (~> 7.1.0)
+  appraisal
+  pry
+  pry-nav
+  qbxml!
+  rake
+
+BUNDLED WITH
+   2.3.27
diff --git a/gemfiles/rails_5.2.gemfile b/gemfiles/rails_7.2.gemfile
similarity index 74%
rename from gemfiles/rails_5.2.gemfile
rename to gemfiles/rails_7.2.gemfile
index 61c3cca..7debc90 100644
--- a/gemfiles/rails_5.2.gemfile
+++ b/gemfiles/rails_7.2.gemfile
@@ -2,6 +2,6 @@
 
 source "https://rubygems.org"
 
-gem "activesupport", "~> 5.2.0"
+gem "activesupport", "~> 7.2.0"
 
 gemspec path: "../"
diff --git a/gemfiles/rails_7.2.gemfile.lock b/gemfiles/rails_7.2.gemfile.lock
new file mode 100644
index 0000000..ab08c95
--- /dev/null
+++ b/gemfiles/rails_7.2.gemfile.lock
@@ -0,0 +1,68 @@
+PATH
+  remote: ..
+  specs:
+    qbxml (0.5.0)
+      activesupport (>= 6.0.0)
+      bigdecimal
+      builder (~> 3.0)
+      nokogiri (~> 1.5)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    activesupport (7.2.2.1)
+      base64
+      benchmark (>= 0.3)
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.3.1)
+      connection_pool (>= 2.2.5)
+      drb
+      i18n (>= 1.6, < 2)
+      logger (>= 1.4.2)
+      minitest (>= 5.1)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
+    appraisal (2.5.0)
+      bundler
+      rake
+      thor (>= 0.14.0)
+    base64 (0.3.0)
+    benchmark (0.4.1)
+    bigdecimal (3.2.1)
+    builder (3.3.0)
+    coderay (1.1.3)
+    concurrent-ruby (1.3.5)
+    connection_pool (2.5.3)
+    drb (2.2.3)
+    i18n (1.14.7)
+      concurrent-ruby (~> 1.0)
+    logger (1.7.0)
+    method_source (1.1.0)
+    minitest (5.25.5)
+    nokogiri (1.18.8-x86_64-linux-gnu)
+      racc (~> 1.4)
+    pry (0.14.2)
+      coderay (~> 1.1)
+      method_source (~> 1.0)
+    pry-nav (1.0.0)
+      pry (>= 0.9.10, < 0.15)
+    racc (1.8.1)
+    rake (13.3.0)
+    securerandom (0.4.1)
+    thor (1.3.2)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+
+PLATFORMS
+  x86_64-linux
+
+DEPENDENCIES
+  activesupport (~> 7.2.0)
+  appraisal
+  pry
+  pry-nav
+  qbxml!
+  rake
+
+BUNDLED WITH
+   2.6.9
diff --git a/lib/qbxml.rb b/lib/qbxml.rb
index 1974cf4..ab4206e 100644
--- a/lib/qbxml.rb
+++ b/lib/qbxml.rb
@@ -1,8 +1,10 @@
 require "qbxml/version"
 
 require 'nokogiri'
+require 'active_support'
 require 'active_support/builder'
 require 'active_support/core_ext/string'
+require 'active_support/core_ext/object/blank.rb'
 
 class Qbxml; end
 
diff --git a/lib/qbxml/hash.rb b/lib/qbxml/hash.rb
index dfe8cf7..900f42f 100644
--- a/lib/qbxml/hash.rb
+++ b/lib/qbxml/hash.rb
@@ -4,6 +4,7 @@
 # https://github.com/rails/rails/blob/master/activesupport/lib/active_support/xml_mini/nokogiri.rb
 #
 #
+
 class Qbxml::Hash < ::Hash
   include Qbxml::Types
 
diff --git a/lib/qbxml/types.rb b/lib/qbxml/types.rb
index aa13339..6843c56 100644
--- a/lib/qbxml/types.rb
+++ b/lib/qbxml/types.rb
@@ -1,3 +1,5 @@
+require 'bigdecimal'
+
 module Qbxml::Types
 
   XML_DIRECTIVES = {
diff --git a/qbxml.gemspec b/qbxml.gemspec
index b28070e..5890008 100644
--- a/qbxml.gemspec
+++ b/qbxml.gemspec
@@ -17,9 +17,10 @@ Gem::Specification.new do |gem|
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.require_paths = ["lib"]
 
-  gem.add_dependency('activesupport', '>= 5.0.0')
+  gem.add_dependency('activesupport', '>= 6.0.0')
   gem.add_dependency('nokogiri', '~> 1.5')
   gem.add_dependency('builder', '~> 3.0')
+  gem.add_dependency('bigdecimal')
 
   gem.add_development_dependency('pry')
   gem.add_development_dependency('pry-nav')