diff --git a/Gemfile.lock b/Gemfile.lock
index 50e7fcc..4ffd2ff 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,174 +7,234 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (7.0.4)
-      actionpack (= 7.0.4)
-      activesupport (= 7.0.4)
+    actioncable (7.1.6)
+      actionpack (= 7.1.6)
+      activesupport (= 7.1.6)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailbox (7.0.4)
-      actionpack (= 7.0.4)
-      activejob (= 7.0.4)
-      activerecord (= 7.0.4)
-      activestorage (= 7.0.4)
-      activesupport (= 7.0.4)
+      zeitwerk (~> 2.6)
+    actionmailbox (7.1.6)
+      actionpack (= 7.1.6)
+      activejob (= 7.1.6)
+      activerecord (= 7.1.6)
+      activestorage (= 7.1.6)
+      activesupport (= 7.1.6)
       mail (>= 2.7.1)
       net-imap
       net-pop
       net-smtp
-    actionmailer (7.0.4)
-      actionpack (= 7.0.4)
-      actionview (= 7.0.4)
-      activejob (= 7.0.4)
-      activesupport (= 7.0.4)
+    actionmailer (7.1.6)
+      actionpack (= 7.1.6)
+      actionview (= 7.1.6)
+      activejob (= 7.1.6)
+      activesupport (= 7.1.6)
       mail (~> 2.5, >= 2.5.4)
       net-imap
       net-pop
       net-smtp
-      rails-dom-testing (~> 2.0)
-    actionpack (7.0.4)
-      actionview (= 7.0.4)
-      activesupport (= 7.0.4)
-      rack (~> 2.0, >= 2.2.0)
+      rails-dom-testing (~> 2.2)
+    actionpack (7.1.6)
+      actionview (= 7.1.6)
+      activesupport (= 7.1.6)
+      cgi
+      nokogiri (>= 1.8.5)
+      racc
+      rack (>= 2.2.4)
+      rack-session (>= 1.0.1)
       rack-test (>= 0.6.3)
-      rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.2.0)
-    actiontext (7.0.4)
-      actionpack (= 7.0.4)
-      activerecord (= 7.0.4)
-      activestorage (= 7.0.4)
-      activesupport (= 7.0.4)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.6)
+    actiontext (7.1.6)
+      actionpack (= 7.1.6)
+      activerecord (= 7.1.6)
+      activestorage (= 7.1.6)
+      activesupport (= 7.1.6)
       globalid (>= 0.6.0)
       nokogiri (>= 1.8.5)
-    actionview (7.0.4)
-      activesupport (= 7.0.4)
+    actionview (7.1.6)
+      activesupport (= 7.1.6)
       builder (~> 3.1)
-      erubi (~> 1.4)
-      rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.1, >= 1.2.0)
-    activejob (7.0.4)
-      activesupport (= 7.0.4)
+      cgi
+      erubi (~> 1.11)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.6)
+    activejob (7.1.6)
+      activesupport (= 7.1.6)
       globalid (>= 0.3.6)
-    activemodel (7.0.4)
-      activesupport (= 7.0.4)
-    activerecord (7.0.4)
-      activemodel (= 7.0.4)
-      activesupport (= 7.0.4)
-    activestorage (7.0.4)
-      actionpack (= 7.0.4)
-      activejob (= 7.0.4)
-      activerecord (= 7.0.4)
-      activesupport (= 7.0.4)
+    activemodel (7.1.6)
+      activesupport (= 7.1.6)
+    activerecord (7.1.6)
+      activemodel (= 7.1.6)
+      activesupport (= 7.1.6)
+      timeout (>= 0.4.0)
+    activestorage (7.1.6)
+      actionpack (= 7.1.6)
+      activejob (= 7.1.6)
+      activerecord (= 7.1.6)
+      activesupport (= 7.1.6)
       marcel (~> 1.0)
-      mini_mime (>= 1.1.0)
-    activesupport (7.0.4)
+    activesupport (7.1.6)
+      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)
-    ast (2.4.2)
-    builder (3.2.4)
+    ast (2.4.3)
+    base64 (0.3.0)
+    benchmark (0.5.0)
+    bigdecimal (3.3.1)
+    builder (3.3.0)
     byebug (11.1.3)
+    cgi (0.5.1)
     coderay (1.1.3)
-    concurrent-ruby (1.1.10)
+    concurrent-ruby (1.3.6)
+    connection_pool (2.5.5)
     crass (1.0.6)
-    date (3.3.3)
-    diff-lcs (1.5.1)
-    erubi (1.12.0)
-    globalid (1.0.0)
-      activesupport (>= 5.0)
+    date (3.5.1)
+    diff-lcs (1.6.2)
+    drb (2.2.3)
+    erb (4.0.4)
+      cgi (>= 0.3.3)
+    erubi (1.13.1)
+    globalid (1.3.0)
+      activesupport (>= 6.1)
     httparty (0.21.0)
       mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
-    i18n (1.12.0)
+    i18n (1.14.8)
       concurrent-ruby (~> 1.0)
-    json (2.10.2)
-    language_server-protocol (3.17.0.4)
+    io-console (0.8.2)
+    irb (1.16.0)
+      pp (>= 0.6.0)
+      rdoc (>= 4.0.0)
+      reline (>= 0.4.2)
+    json (2.18.0)
+    language_server-protocol (3.17.0.5)
     lint_roller (1.1.0)
-    loofah (2.19.1)
+    logger (1.7.0)
+    loofah (2.25.0)
       crass (~> 1.0.2)
-      nokogiri (>= 1.5.9)
-    mail (2.8.0)
+      nokogiri (>= 1.12.0)
+    mail (2.9.0)
+      logger
       mini_mime (>= 0.1.1)
       net-imap
       net-pop
       net-smtp
-    marcel (1.0.2)
-    method_source (1.0.0)
-    mini_mime (1.1.2)
-    mini_portile2 (2.8.1)
-    minitest (5.16.3)
+    marcel (1.1.0)
+    method_source (1.1.0)
+    mini_mime (1.1.5)
+    minitest (5.26.1)
     multi_xml (0.6.0)
-    net-imap (0.3.4)
+    mutex_m (0.3.0)
+    net-imap (0.4.23)
       date
       net-protocol
     net-pop (0.1.2)
       net-protocol
-    net-protocol (0.2.1)
+    net-protocol (0.2.2)
       timeout
-    net-smtp (0.3.3)
+    net-smtp (0.5.1)
       net-protocol
-    nio4r (2.5.8)
-    nokogiri (1.13.10)
-      mini_portile2 (~> 2.8.0)
+    nio4r (2.7.5)
+    nokogiri (1.17.2-aarch64-linux)
+      racc (~> 1.4)
+    nokogiri (1.17.2-arm-linux)
+      racc (~> 1.4)
+    nokogiri (1.17.2-arm64-darwin)
       racc (~> 1.4)
-    parallel (1.26.3)
-    parser (3.3.7.1)
+    nokogiri (1.17.2-x86_64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.17.2-x86_64-linux)
+      racc (~> 1.4)
+    parallel (1.27.0)
+    parser (3.3.10.0)
       ast (~> 2.4.1)
       racc
-    pry (0.14.2)
+    pp (0.6.3)
+      prettyprint
+    prettyprint (0.2.0)
+    prism (1.7.0)
+    pry (0.16.0)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    pry-byebug (3.10.1)
+      reline (>= 0.6.0)
+    pry-byebug (3.8.0)
       byebug (~> 11.0)
-      pry (>= 0.13, < 0.15)
+      pry (~> 0.10)
+    psych (5.3.1)
+      date
+      stringio
     racc (1.8.1)
-    rack (2.2.5)
-    rack-test (2.0.2)
+    rack (3.2.4)
+    rack-session (2.1.1)
+      base64 (>= 0.1.0)
+      rack (>= 3.0.0)
+    rack-test (2.2.0)
       rack (>= 1.3)
-    rails (7.0.4)
-      actioncable (= 7.0.4)
-      actionmailbox (= 7.0.4)
-      actionmailer (= 7.0.4)
-      actionpack (= 7.0.4)
-      actiontext (= 7.0.4)
-      actionview (= 7.0.4)
-      activejob (= 7.0.4)
-      activemodel (= 7.0.4)
-      activerecord (= 7.0.4)
-      activestorage (= 7.0.4)
-      activesupport (= 7.0.4)
+    rackup (2.3.1)
+      rack (>= 3)
+    rails (7.1.6)
+      actioncable (= 7.1.6)
+      actionmailbox (= 7.1.6)
+      actionmailer (= 7.1.6)
+      actionpack (= 7.1.6)
+      actiontext (= 7.1.6)
+      actionview (= 7.1.6)
+      activejob (= 7.1.6)
+      activemodel (= 7.1.6)
+      activerecord (= 7.1.6)
+      activestorage (= 7.1.6)
+      activesupport (= 7.1.6)
       bundler (>= 1.15.0)
-      railties (= 7.0.4)
-    rails-dom-testing (2.0.3)
-      activesupport (>= 4.2.0)
+      railties (= 7.1.6)
+    rails-dom-testing (2.3.0)
+      activesupport (>= 5.0.0)
+      minitest
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.4.4)
-      loofah (~> 2.19, >= 2.19.1)
-    railties (7.0.4)
-      actionpack (= 7.0.4)
-      activesupport (= 7.0.4)
-      method_source
+    rails-html-sanitizer (1.6.2)
+      loofah (~> 2.21)
+      nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
+    railties (7.1.6)
+      actionpack (= 7.1.6)
+      activesupport (= 7.1.6)
+      cgi
+      irb
+      rackup (>= 1.0.0)
       rake (>= 12.2)
-      thor (~> 1.0)
-      zeitwerk (~> 2.5)
+      thor (~> 1.0, >= 1.2.2)
+      tsort (>= 0.2)
+      zeitwerk (~> 2.6)
     rainbow (3.1.1)
-    rake (13.2.1)
-    regexp_parser (2.10.0)
-    rspec (3.13.1)
+    rake (13.3.1)
+    rdoc (7.0.3)
+      erb
+      psych (>= 4.0.0)
+      tsort
+    regexp_parser (2.11.3)
+    reline (0.6.3)
+      io-console (~> 0.5)
+    rspec (3.13.2)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
       rspec-mocks (~> 3.13.0)
-    rspec-core (3.13.4)
+    rspec-core (3.13.6)
       rspec-support (~> 3.13.0)
     rspec-expectations (3.13.5)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
-    rspec-mocks (3.13.5)
+    rspec-mocks (3.13.7)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
-    rspec-support (3.13.4)
-    rubocop (1.74.0)
+    rspec-support (3.13.6)
+    rubocop (1.82.1)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)
@@ -182,37 +242,47 @@ GEM
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 2.9.3, < 3.0)
-      rubocop-ast (>= 1.38.0, < 2.0)
+      rubocop-ast (>= 1.48.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 4.0)
-    rubocop-ast (1.38.1)
-      parser (>= 3.3.1.0)
+    rubocop-ast (1.49.0)
+      parser (>= 3.3.7.2)
+      prism (~> 1.7)
     ruby-progressbar (1.13.0)
-    thor (1.2.1)
-    timeout (0.3.1)
-    tzinfo (2.0.5)
+    securerandom (0.3.2)
+    stringio (3.2.0)
+    thor (1.5.0)
+    timeout (0.6.0)
+    tsort (0.2.0)
+    tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    unicode-display_width (2.6.0)
-    websocket-driver (0.7.5)
+    unicode-display_width (3.2.0)
+      unicode-emoji (~> 4.1)
+    unicode-emoji (4.2.0)
+    websocket-driver (0.8.0)
+      base64
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
-    zeitwerk (2.6.6)
+    zeitwerk (2.6.18)
 
 PLATFORMS
   aarch64-linux
-  arm64-darwin-22
-  x86_64-darwin-20
-  x86_64-darwin-21
+  aarch64-linux-musl
+  arm-linux
+  arm-linux-musl
+  arm64-darwin
+  x86_64-darwin
   x86_64-linux
+  x86_64-linux-musl
 
 DEPENDENCIES
   httparty (~> 0.21.0)
   pry-byebug
-  rails
+  rails (>= 6.0)
   rake (~> 13.0)
   resend!
   rspec (~> 3.0)
   rubocop (~> 1.21)
 
 BUNDLED WITH
-   2.3.11
+   2.4.22
diff --git a/resend.gemspec b/resend.gemspec
index 1764a22..91d70b8 100644
--- a/resend.gemspec
+++ b/resend.gemspec
@@ -16,5 +16,5 @@ Gem::Specification.new do |spec|
   spec.require_path  = "lib"
   spec.required_ruby_version = ">= 2.6"
   spec.add_dependency "httparty", ">= 0.21.0"
-  spec.add_development_dependency "rails"
+  spec.add_development_dependency "rails", ">= 6.0"
 end