diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 37409a5..d7a919e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -6,8 +6,8 @@ jobs:
       fail-fast: false
       matrix:
         gemfile: [rails_6_1, rails_7_0, rails_7_1, rails_master]
-        # Due to https://github.com/actions/runner/issues/849, we have to use quotes for '3.0'
-        ruby: ['3.0', 3.1, 3.2, 3.3]
+        # quote version numbers, they are not "numbers"
+        ruby: ['3.1', '3.2', '3.3']
     runs-on: ubuntu-latest
     env: # $BUNDLE_GEMFILE must be set at the job level, so it is set for all steps
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.gemfile }}.gemfile
diff --git a/.travis.yml b/.travis.yml
index 9535ffd..1f5f770 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,5 @@
 language: ruby
 rvm:
-  - 3.0
   - 3.1
   - 3.2
   - 3.3
diff --git a/gemfiles/rails_master.gemfile.lock b/gemfiles/rails_master.gemfile.lock
index 13adbb0..d916e96 100644
--- a/gemfiles/rails_master.gemfile.lock
+++ b/gemfiles/rails_master.gemfile.lock
@@ -1,94 +1,98 @@
 GIT
   remote: https://github.com/rails/rails.git
-  revision: 54c73577690e1ec81a79472ba98e28bb3e18703f
+  revision: 23af6f37a310e16916ca788837f4a7accb2cebad
   branch: main
   specs:
-    actioncable (7.1.0.alpha)
-      actionpack (= 7.1.0.alpha)
-      activesupport (= 7.1.0.alpha)
+    actioncable (7.2.0.alpha)
+      actionpack (= 7.2.0.alpha)
+      activesupport (= 7.2.0.alpha)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailbox (7.1.0.alpha)
-      actionpack (= 7.1.0.alpha)
-      activejob (= 7.1.0.alpha)
-      activerecord (= 7.1.0.alpha)
-      activestorage (= 7.1.0.alpha)
-      activesupport (= 7.1.0.alpha)
-      mail (>= 2.7.1)
-      net-imap
-      net-pop
-      net-smtp
-    actionmailer (7.1.0.alpha)
-      actionpack (= 7.1.0.alpha)
-      actionview (= 7.1.0.alpha)
-      activejob (= 7.1.0.alpha)
-      activesupport (= 7.1.0.alpha)
-      mail (~> 2.5, >= 2.5.4)
-      net-imap
-      net-pop
-      net-smtp
-      rails-dom-testing (~> 2.0)
-    actionpack (7.1.0.alpha)
-      actionview (= 7.1.0.alpha)
-      activesupport (= 7.1.0.alpha)
-      rack (~> 2.0, >= 2.2.0)
+      zeitwerk (~> 2.6)
+    actionmailbox (7.2.0.alpha)
+      actionpack (= 7.2.0.alpha)
+      activejob (= 7.2.0.alpha)
+      activerecord (= 7.2.0.alpha)
+      activestorage (= 7.2.0.alpha)
+      activesupport (= 7.2.0.alpha)
+      mail (>= 2.8.0)
+    actionmailer (7.2.0.alpha)
+      actionpack (= 7.2.0.alpha)
+      actionview (= 7.2.0.alpha)
+      activejob (= 7.2.0.alpha)
+      activesupport (= 7.2.0.alpha)
+      mail (>= 2.8.0)
+      rails-dom-testing (~> 2.2)
+    actionpack (7.2.0.alpha)
+      actionview (= 7.2.0.alpha)
+      activesupport (= 7.2.0.alpha)
+      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 (7.1.0.alpha)
-      actionpack (= 7.1.0.alpha)
-      activerecord (= 7.1.0.alpha)
-      activestorage (= 7.1.0.alpha)
-      activesupport (= 7.1.0.alpha)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.6)
+      useragent (~> 0.16)
+    actiontext (7.2.0.alpha)
+      actionpack (= 7.2.0.alpha)
+      activerecord (= 7.2.0.alpha)
+      activestorage (= 7.2.0.alpha)
+      activesupport (= 7.2.0.alpha)
       globalid (>= 0.6.0)
       nokogiri (>= 1.8.5)
-    actionview (7.1.0.alpha)
-      activesupport (= 7.1.0.alpha)
+    actionview (7.2.0.alpha)
+      activesupport (= 7.2.0.alpha)
       builder (~> 3.1)
-      erubi (~> 1.4)
-      rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.1, >= 1.2.0)
-    activejob (7.1.0.alpha)
-      activesupport (= 7.1.0.alpha)
+      erubi (~> 1.11)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.6)
+    activejob (7.2.0.alpha)
+      activesupport (= 7.2.0.alpha)
       globalid (>= 0.3.6)
-    activemodel (7.1.0.alpha)
-      activesupport (= 7.1.0.alpha)
-    activerecord (7.1.0.alpha)
-      activemodel (= 7.1.0.alpha)
-      activesupport (= 7.1.0.alpha)
-    activestorage (7.1.0.alpha)
-      actionpack (= 7.1.0.alpha)
-      activejob (= 7.1.0.alpha)
-      activerecord (= 7.1.0.alpha)
-      activesupport (= 7.1.0.alpha)
+    activemodel (7.2.0.alpha)
+      activesupport (= 7.2.0.alpha)
+    activerecord (7.2.0.alpha)
+      activemodel (= 7.2.0.alpha)
+      activesupport (= 7.2.0.alpha)
+      timeout (>= 0.4.0)
+    activestorage (7.2.0.alpha)
+      actionpack (= 7.2.0.alpha)
+      activejob (= 7.2.0.alpha)
+      activerecord (= 7.2.0.alpha)
+      activesupport (= 7.2.0.alpha)
       marcel (~> 1.0)
-      mini_mime (>= 1.1.0)
-    activesupport (7.1.0.alpha)
+    activesupport (7.2.0.alpha)
+      base64
+      bigdecimal
       concurrent-ruby (~> 1.0, >= 1.0.2)
+      connection_pool (>= 2.2.5)
+      drb
       i18n (>= 1.6, < 2)
-      minitest (>= 5.1)
-      tzinfo (~> 2.0)
-    rails (7.1.0.alpha)
-      actioncable (= 7.1.0.alpha)
-      actionmailbox (= 7.1.0.alpha)
-      actionmailer (= 7.1.0.alpha)
-      actionpack (= 7.1.0.alpha)
-      actiontext (= 7.1.0.alpha)
-      actionview (= 7.1.0.alpha)
-      activejob (= 7.1.0.alpha)
-      activemodel (= 7.1.0.alpha)
-      activerecord (= 7.1.0.alpha)
-      activestorage (= 7.1.0.alpha)
-      activesupport (= 7.1.0.alpha)
+      minitest (>= 5.1, < 5.22.0)
+      tzinfo (~> 2.0, >= 2.0.5)
+    rails (7.2.0.alpha)
+      actioncable (= 7.2.0.alpha)
+      actionmailbox (= 7.2.0.alpha)
+      actionmailer (= 7.2.0.alpha)
+      actionpack (= 7.2.0.alpha)
+      actiontext (= 7.2.0.alpha)
+      actionview (= 7.2.0.alpha)
+      activejob (= 7.2.0.alpha)
+      activemodel (= 7.2.0.alpha)
+      activerecord (= 7.2.0.alpha)
+      activestorage (= 7.2.0.alpha)
+      activesupport (= 7.2.0.alpha)
       bundler (>= 1.15.0)
-      railties (= 7.1.0.alpha)
-    railties (7.1.0.alpha)
-      actionpack (= 7.1.0.alpha)
-      activesupport (= 7.1.0.alpha)
-      method_source
+      railties (= 7.2.0.alpha)
+    railties (7.2.0.alpha)
+      actionpack (= 7.2.0.alpha)
+      activesupport (= 7.2.0.alpha)
+      irb
+      rackup (>= 1.0.0)
       rake (>= 12.2)
-      thor (~> 1.0)
-      zeitwerk (~> 2.5)
+      thor (~> 1.0, >= 1.2.2)
+      zeitwerk (~> 2.6)
 
 PATH
   remote: ..
@@ -104,13 +108,18 @@ GEM
       bundler
       rake
       thor (>= 0.14.0)
+    base64 (0.2.0)
+    bigdecimal (3.1.6)
     builder (3.2.4)
     byebug (11.1.3)
     coderay (1.1.3)
     concurrent-ruby (1.2.3)
+    connection_pool (2.4.1)
     crass (1.0.6)
     date (3.3.4)
     diff-lcs (1.5.1)
+    drb (2.2.0)
+      ruby2_keywords
     erubi (1.12.0)
     ffi (1.16.3)
     formatador (1.1.0)
@@ -132,7 +141,11 @@ GEM
       rspec (>= 2.99.0, < 4.0)
     i18n (1.14.1)
       concurrent-ruby (~> 1.0)
-    listen (3.8.0)
+    io-console (0.7.2)
+    irb (1.11.2)
+      rdoc
+      reline (>= 0.4.2)
+    listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     loofah (2.22.0)
@@ -173,12 +186,19 @@ GEM
     pry-byebug (3.10.1)
       byebug (~> 11.0)
       pry (>= 0.13, < 0.15)
+    psych (5.1.2)
+      stringio
     puma (6.4.2)
       nio4r (~> 2.0)
     racc (1.7.3)
-    rack (2.2.8.1)
+    rack (3.0.9.1)
+    rack-session (2.0.0)
+      rack (>= 3.0.0)
     rack-test (2.1.0)
       rack (>= 1.3)
+    rackup (2.1.0)
+      rack (>= 3)
+      webrick (~> 1.8)
     rails-dom-testing (2.2.0)
       activesupport (>= 5.0.0)
       minitest
@@ -190,6 +210,10 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
+    rdoc (6.6.2)
+      psych (>= 4.0.0)
+    reline (0.4.2)
+      io-console (~> 0.5)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
@@ -213,7 +237,8 @@ GEM
       rspec-expectations (~> 3.12)
       rspec-mocks (~> 3.12)
       rspec-support (~> 3.12)
-    rspec-support (3.13.0)
+    rspec-support (3.13.1)
+    ruby2_keywords (0.0.5)
     shellany (0.0.1)
     sprockets (4.2.1)
       concurrent-ruby (~> 1.0)
@@ -224,10 +249,13 @@ GEM
       sprockets (>= 3.0.0)
     sqlite3 (1.7.2-arm64-darwin)
     sqlite3 (1.7.2-x86_64-linux)
+    stringio (3.1.0)
     thor (1.3.0)
     timeout (0.4.1)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
+    useragent (0.16.10)
+    webrick (1.8.1)
     websocket-driver (0.7.6)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
diff --git a/lib/rbexy/nodes/html_element.rb b/lib/rbexy/nodes/html_element.rb
index 03412f7..62dd96b 100644
--- a/lib/rbexy/nodes/html_element.rb
+++ b/lib/rbexy/nodes/html_element.rb
@@ -1,11 +1,8 @@
 module Rbexy
   module Nodes
     class HTMLElement < AbstractElement
-      if ActionView.version >= Gem::Version.new("7.0.0")
-        KNOWN_VOID_ELEMENTS = ActionView::Helpers::TagHelper::TagBuilder::HTML_VOID_ELEMENTS.map(&:to_s).to_set
-      else
-        KNOWN_VOID_ELEMENTS = ActionView::Helpers::TagHelper::TagBuilder::VOID_ELEMENTS.map(&:to_s).to_set
-      end
+      # Referenced from https://html.spec.whatwg.org/#void-elements
+      HTML_VOID_ELEMENTS = %w(area base br col embed hr img input link meta source track wbr)
 
       def precompile
         nodes = []
@@ -24,7 +21,7 @@ def precompile
       private
 
       def void?
-        KNOWN_VOID_ELEMENTS.include?(name)
+        HTML_VOID_ELEMENTS.include?(name)
       end
 
       def precompile_open_tag
diff --git a/rbexy.gemspec b/rbexy.gemspec
index 924e2dd..67acf2d 100644
--- a/rbexy.gemspec
+++ b/rbexy.gemspec
@@ -9,7 +9,7 @@ Gem::Specification.new do |spec|
   spec.summary       = "A Ruby template language inspired by JSX"
   spec.homepage      = "https://github.com/patbenatar/rbexy"
   spec.license       = "MIT"
-  spec.required_ruby_version = Gem::Requirement.new(">= 3.0.0")
+  spec.required_ruby_version = Gem::Requirement.new(">= 3.1.0")
 
   spec.metadata["allowed_push_host"] = "https://rubygems.org"