diff --git a/Gemfile.lock b/Gemfile.lock
index 81e6d92..9e8cc68 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,198 +7,233 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (7.0.3.1)
-      actionpack (= 7.0.3.1)
-      activesupport (= 7.0.3.1)
+    actioncable (7.2.0)
+      actionpack (= 7.2.0)
+      activesupport (= 7.2.0)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailbox (7.0.3.1)
-      actionpack (= 7.0.3.1)
-      activejob (= 7.0.3.1)
-      activerecord (= 7.0.3.1)
-      activestorage (= 7.0.3.1)
-      activesupport (= 7.0.3.1)
-      mail (>= 2.7.1)
-      net-imap
-      net-pop
-      net-smtp
-    actionmailer (7.0.3.1)
-      actionpack (= 7.0.3.1)
-      actionview (= 7.0.3.1)
-      activejob (= 7.0.3.1)
-      activesupport (= 7.0.3.1)
-      mail (~> 2.5, >= 2.5.4)
-      net-imap
-      net-pop
-      net-smtp
-      rails-dom-testing (~> 2.0)
-    actionpack (7.0.3.1)
-      actionview (= 7.0.3.1)
-      activesupport (= 7.0.3.1)
-      rack (~> 2.0, >= 2.2.0)
+      zeitwerk (~> 2.6)
+    actionmailbox (7.2.0)
+      actionpack (= 7.2.0)
+      activejob (= 7.2.0)
+      activerecord (= 7.2.0)
+      activestorage (= 7.2.0)
+      activesupport (= 7.2.0)
+      mail (>= 2.8.0)
+    actionmailer (7.2.0)
+      actionpack (= 7.2.0)
+      actionview (= 7.2.0)
+      activejob (= 7.2.0)
+      activesupport (= 7.2.0)
+      mail (>= 2.8.0)
+      rails-dom-testing (~> 2.2)
+    actionpack (7.2.0)
+      actionview (= 7.2.0)
+      activesupport (= 7.2.0)
+      nokogiri (>= 1.8.5)
+      racc
+      rack (>= 2.2.4, < 3.2)
+      rack-session (>= 1.0.1)
       rack-test (>= 0.6.3)
-      rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.2.0)
-    actiontext (7.0.3.1)
-      actionpack (= 7.0.3.1)
-      activerecord (= 7.0.3.1)
-      activestorage (= 7.0.3.1)
-      activesupport (= 7.0.3.1)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.6)
+      useragent (~> 0.16)
+    actiontext (7.2.0)
+      actionpack (= 7.2.0)
+      activerecord (= 7.2.0)
+      activestorage (= 7.2.0)
+      activesupport (= 7.2.0)
       globalid (>= 0.6.0)
       nokogiri (>= 1.8.5)
-    actionview (7.0.3.1)
-      activesupport (= 7.0.3.1)
+    actionview (7.2.0)
+      activesupport (= 7.2.0)
       builder (~> 3.1)
-      erubi (~> 1.4)
-      rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.1, >= 1.2.0)
-    activejob (7.0.3.1)
-      activesupport (= 7.0.3.1)
+      erubi (~> 1.11)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.6)
+    activejob (7.2.0)
+      activesupport (= 7.2.0)
       globalid (>= 0.3.6)
-    activemodel (7.0.3.1)
-      activesupport (= 7.0.3.1)
-    activerecord (7.0.3.1)
-      activemodel (= 7.0.3.1)
-      activesupport (= 7.0.3.1)
-    activestorage (7.0.3.1)
-      actionpack (= 7.0.3.1)
-      activejob (= 7.0.3.1)
-      activerecord (= 7.0.3.1)
-      activesupport (= 7.0.3.1)
+    activemodel (7.2.0)
+      activesupport (= 7.2.0)
+    activerecord (7.2.0)
+      activemodel (= 7.2.0)
+      activesupport (= 7.2.0)
+      timeout (>= 0.4.0)
+    activestorage (7.2.0)
+      actionpack (= 7.2.0)
+      activejob (= 7.2.0)
+      activerecord (= 7.2.0)
+      activesupport (= 7.2.0)
       marcel (~> 1.0)
-      mini_mime (>= 1.1.0)
-    activesupport (7.0.3.1)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
+    activesupport (7.2.0)
+      base64
+      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)
-      tzinfo (~> 2.0)
-    builder (3.2.4)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
+    base64 (0.2.0)
+    bigdecimal (3.1.8)
+    builder (3.3.0)
     byebug (11.1.3)
     combustion (1.3.6)
       activesupport (>= 3.0.0)
       railties (>= 3.0.0)
       thor (>= 0.14.6)
-    concurrent-ruby (1.1.10)
+    concurrent-ruby (1.3.4)
+    connection_pool (2.4.1)
     crass (1.0.6)
     daemons (1.4.1)
-    diff-lcs (1.5.0)
-    digest (3.1.0)
-    erubi (1.10.0)
-    globalid (1.0.0)
-      activesupport (>= 5.0)
+    date (3.3.4)
+    diff-lcs (1.5.1)
+    drb (2.2.1)
+    erubi (1.13.0)
+    globalid (1.2.1)
+      activesupport (>= 6.1)
     haml (5.2.2)
       temple (>= 0.8.0)
       tilt
-    i18n (1.12.0)
+    i18n (1.14.5)
       concurrent-ruby (~> 1.0)
-    loofah (2.18.0)
+    io-console (0.7.2)
+    irb (1.14.0)
+      rdoc (>= 4.0.0)
+      reline (>= 0.4.2)
+    logger (1.6.0)
+    loofah (2.22.0)
       crass (~> 1.0.2)
-      nokogiri (>= 1.5.9)
-    mail (2.7.1)
+      nokogiri (>= 1.12.0)
+    mail (2.8.1)
       mini_mime (>= 0.1.1)
-    marcel (1.0.2)
-    method_source (1.0.0)
-    mini_mime (1.1.2)
-    minitest (5.16.2)
+      net-imap
+      net-pop
+      net-smtp
+    marcel (1.0.4)
+    mini_mime (1.1.5)
+    minitest (5.25.1)
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
-    net-imap (0.2.3)
-      digest
+    net-imap (0.4.14)
+      date
       net-protocol
-      strscan
-    net-pop (0.1.1)
-      digest
+    net-pop (0.1.2)
+    net-protocol (0.2.2)
+      timeout
+    net-smtp (0.5.0)
       net-protocol
-      timeout
-    net-protocol (0.1.3)
-      timeout
-    net-smtp (0.3.1)
-      digest
-      net-protocol
-      timeout
-    nio4r (2.5.8)
-    nokogiri (1.14.0-arm64-darwin)
+    nio4r (2.7.3)
+    nokogiri (1.16.7-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.14.0-x86_64-darwin)
+    nokogiri (1.16.7-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.14.0-x86_64-linux)
+    nokogiri (1.16.7-x86_64-linux)
       racc (~> 1.4)
-    racc (1.6.2)
-    rack (2.2.4)
+    propshaft (0.9.1)
+      actionpack (>= 7.0.0)
+      activesupport (>= 7.0.0)
+      rack
+      railties (>= 7.0.0)
+    psych (5.1.2)
+      stringio
+    racc (1.8.1)
+    rack (2.2.9)
     rack-protection (2.2.0)
       rack
-    rack-test (1.1.0)
-      rack (>= 1.0, < 3)
-    rails (7.0.3.1)
-      actioncable (= 7.0.3.1)
-      actionmailbox (= 7.0.3.1)
-      actionmailer (= 7.0.3.1)
-      actionpack (= 7.0.3.1)
-      actiontext (= 7.0.3.1)
-      actionview (= 7.0.3.1)
-      activejob (= 7.0.3.1)
-      activemodel (= 7.0.3.1)
-      activerecord (= 7.0.3.1)
-      activestorage (= 7.0.3.1)
-      activesupport (= 7.0.3.1)
+    rack-session (1.0.2)
+      rack (< 3)
+    rack-test (2.1.0)
+      rack (>= 1.3)
+    rackup (1.0.0)
+      rack (< 3)
+      webrick
+    rails (7.2.0)
+      actioncable (= 7.2.0)
+      actionmailbox (= 7.2.0)
+      actionmailer (= 7.2.0)
+      actionpack (= 7.2.0)
+      actiontext (= 7.2.0)
+      actionview (= 7.2.0)
+      activejob (= 7.2.0)
+      activemodel (= 7.2.0)
+      activerecord (= 7.2.0)
+      activestorage (= 7.2.0)
+      activesupport (= 7.2.0)
       bundler (>= 1.15.0)
-      railties (= 7.0.3.1)
-    rails-dom-testing (2.0.3)
-      activesupport (>= 4.2.0)
+      railties (= 7.2.0)
+    rails-dom-testing (2.2.0)
+      activesupport (>= 5.0.0)
+      minitest
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.4.3)
-      loofah (~> 2.3)
-    railties (7.0.3.1)
-      actionpack (= 7.0.3.1)
-      activesupport (= 7.0.3.1)
-      method_source
+    rails-html-sanitizer (1.6.0)
+      loofah (~> 2.21)
+      nokogiri (~> 1.14)
+    railties (7.2.0)
+      actionpack (= 7.2.0)
+      activesupport (= 7.2.0)
+      irb (~> 1.13)
+      rackup (>= 1.0.0)
       rake (>= 12.2)
-      thor (~> 1.0)
-      zeitwerk (~> 2.5)
-    rake (13.0.6)
-    rspec (3.11.0)
-      rspec-core (~> 3.11.0)
-      rspec-expectations (~> 3.11.0)
-      rspec-mocks (~> 3.11.0)
-    rspec-core (3.11.0)
-      rspec-support (~> 3.11.0)
-    rspec-expectations (3.11.0)
+      thor (~> 1.0, >= 1.2.2)
+      zeitwerk (~> 2.6)
+    rake (13.2.1)
+    rdoc (6.7.0)
+      psych (>= 4.0.0)
+    reline (0.5.9)
+      io-console (~> 0.5)
+    rspec (3.13.0)
+      rspec-core (~> 3.13.0)
+      rspec-expectations (~> 3.13.0)
+      rspec-mocks (~> 3.13.0)
+    rspec-core (3.13.0)
+      rspec-support (~> 3.13.0)
+    rspec-expectations (3.13.1)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.11.0)
-    rspec-mocks (3.11.1)
+      rspec-support (~> 3.13.0)
+    rspec-mocks (3.13.1)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.11.0)
-    rspec-rails (5.1.2)
-      actionpack (>= 5.2)
-      activesupport (>= 5.2)
-      railties (>= 5.2)
-      rspec-core (~> 3.10)
-      rspec-expectations (~> 3.10)
-      rspec-mocks (~> 3.10)
-      rspec-support (~> 3.10)
-    rspec-support (3.11.0)
+      rspec-support (~> 3.13.0)
+    rspec-rails (6.1.4)
+      actionpack (>= 6.1)
+      activesupport (>= 6.1)
+      railties (>= 6.1)
+      rspec-core (~> 3.13)
+      rspec-expectations (~> 3.13)
+      rspec-mocks (~> 3.13)
+      rspec-support (~> 3.13)
+    rspec-support (3.13.1)
     ruby2_keywords (0.0.5)
+    securerandom (0.3.1)
     sinatra (2.2.0)
       mustermann (~> 1.0)
       rack (~> 2.2)
       rack-protection (= 2.2.0)
       tilt (~> 2.0)
-    sqlite3 (1.4.2)
-    strscan (3.0.4)
+    sqlite3 (2.0.4-arm64-darwin)
+    sqlite3 (2.0.4-x86_64-darwin)
+    sqlite3 (2.0.4-x86_64-linux-gnu)
+    stringio (3.1.1)
     temple (0.8.2)
-    thor (1.2.1)
+    thor (1.3.1)
     tilt (2.0.10)
     timecop (0.9.5)
-    timeout (0.3.0)
-    tzinfo (2.0.4)
+    timeout (0.4.1)
+    tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    websocket-driver (0.7.5)
+    useragent (0.16.10)
+    webrick (1.8.1)
+    websocket-driver (0.7.6)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
-    zeitwerk (2.6.0)
+    zeitwerk (2.6.17)
 
 PLATFORMS
   arm64-darwin-21
+  arm64-darwin-23
   x86_64-darwin-21
   x86_64-darwin-22
   x86_64-linux
@@ -210,6 +245,7 @@ DEPENDENCIES
   crono!
   daemons
   haml
+  propshaft
   rack-test
   rake (>= 10.0)
   rspec (>= 3.0)
diff --git a/crono.gemspec b/crono.gemspec
index a3795c2..c132c6f 100644
--- a/crono.gemspec
+++ b/crono.gemspec
@@ -29,4 +29,5 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'haml'
   s.add_development_dependency 'rack-test'
   s.add_development_dependency 'daemons'
+  s.add_development_dependency 'propshaft'
 end