diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0e32606d..c870cd63 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,8 +11,11 @@ jobs:
       matrix:
         os: ["ubuntu-latest", "macos-latest"]
         ruby-version:
+          - "3.2"
           - "3.3"
           - "head"
+          - "truffleruby"
+          - "truffleruby-head"
 
     runs-on: ${{ matrix.os }}
     steps:
@@ -33,7 +36,7 @@ jobs:
         run: bundle exec sus
 
       - name: Quickdraw Tests
-        run: bundle exec qt
+        run: bundle exec qt -t 1
 
   rubocop:
     runs-on: "ubuntu-latest"
diff --git a/.rubocop.yml b/.rubocop.yml
index e3e24805..5e4514fc 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -2,7 +2,7 @@ inherit_from:
   - "https://www.goodcop.style/tabs.yml"
 
 AllCops:
-  TargetRubyVersion: 3.3.1
+  TargetRubyVersion: 3.2
 
 # We need to disable this cop because it’s not compatible with TruffleRuby 23.1, which still needs a `require "set"`
 Lint/RedundantRequireStatement:
diff --git a/fixtures/sgml_helper.rb b/fixtures/sgml_helper.rb
index e66afc1b..a76b2e53 100644
--- a/fixtures/sgml_helper.rb
+++ b/fixtures/sgml_helper.rb
@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
 module SGMLHelper
-	def phlex(component = Phlex::HTML, *, **, &)
-		component.new(*, **).call do |e|
+	def phlex(component = Phlex::HTML, *a, **k, &)
+		component.new(*a, **k).call do |e|
 			e.instance_exec(&)
 		end
 	end
diff --git a/lib/phlex.rb b/lib/phlex.rb
index 29b931a5..e733b7ec 100644
--- a/lib/phlex.rb
+++ b/lib/phlex.rb
@@ -22,7 +22,6 @@ module Phlex
 
 	Escape = ERB::Escape
 	ATTRIBUTE_CACHE = FIFO.new
-	SUPPORTS_FIBER_STORAGE = RUBY_ENGINE == "ruby"
 	Null = Object.new.freeze
 
 	CACHED_FILES = Set.new
diff --git a/lib/phlex/kit.rb b/lib/phlex/kit.rb
index 7a13da3a..b66c7187 100644
--- a/lib/phlex/kit.rb
+++ b/lib/phlex/kit.rb
@@ -60,7 +60,7 @@ def const_added(name)
 			end
 
 			define_singleton_method(name) do |*args, **kwargs, &block|
-				if (component = Fiber[:__phlex_component__])
+				if (component = Thread.current[:__phlex_component__])
 					component.instance_exec do
 						constant = me.const_get(name)
 						render(constant.new(*args, **kwargs), &block)
diff --git a/lib/phlex/sgml.rb b/lib/phlex/sgml.rb
index e8f37b0f..e7baf112 100644
--- a/lib/phlex/sgml.rb
+++ b/lib/phlex/sgml.rb
@@ -19,9 +19,9 @@ def call(...)
 
 		# Create a new instance of the component.
 		# @note The block will not be delegated {#initialize}. Instead, it will be sent to {#template} when rendering.
-		def new(*, **, &block)
+		def new(*a, **k, &block)
 			if block
-				object = super(*, **, &nil)
+				object = super(*a, **k, &nil)
 				object.instance_exec { @_content_block = block }
 				object
 			else
@@ -70,10 +70,7 @@ def call(buffer = +"", context: {}, view_context: nil, parent: nil, fragments: n
 
 		return "" unless render?
 
-		if !parent && Phlex::SUPPORTS_FIBER_STORAGE
-			original_fiber_storage = Fiber[:__phlex_component__]
-			Fiber[:__phlex_component__] = self
-		end
+		Thread.current[:__phlex_component__] = self
 
 		phlex_context.around_render do
 			before_template(&block)
@@ -96,11 +93,10 @@ def call(buffer = +"", context: {}, view_context: nil, parent: nil, fragments: n
 		end
 
 		unless parent
-			if Phlex::SUPPORTS_FIBER_STORAGE
-				Fiber[:__phlex_component__] = original_fiber_storage
-			end
 			buffer << phlex_context.buffer
 		end
+	ensure
+		Thread.current[:__phlex_component__] = parent
 	end
 
 	protected def __context__ = @_context
@@ -287,13 +283,13 @@ def __yield_content_with_no_args__
 		nil
 	end
 
-	def __yield_content_with_args__(*)
+	def __yield_content_with_args__(*a)
 		return unless block_given?
 
 		buffer = @_context.buffer
 
 		original_length = buffer.bytesize
-		content = yield(*)
+		content = yield(*a)
 		__implicit_output__(content) if original_length == buffer.bytesize
 
 		nil
diff --git a/phlex.gemspec b/phlex.gemspec
index 27baece2..666e4285 100644
--- a/phlex.gemspec
+++ b/phlex.gemspec
@@ -12,7 +12,7 @@ Gem::Specification.new do |spec|
 	spec.description = "A high-performance view framework optimised for fun."
 	spec.homepage = "https://www.phlex.fun"
 	spec.license = "MIT"
-	spec.required_ruby_version = ">= 3.3.1"
+	spec.required_ruby_version = ">= 3.2"
 
 	spec.metadata["homepage_uri"] = spec.homepage
 	spec.metadata["source_code_uri"] = "https://github.com/phlex-ruby/phlex"
diff --git a/quickdraw/kit.test.rb b/quickdraw/kit.test.rb
index 599dc4cc..c707b567 100644
--- a/quickdraw/kit.test.rb
+++ b/quickdraw/kit.test.rb
@@ -11,16 +11,12 @@ def view_template
 	end
 end
 
-# This feature is only supported in Ruby 3.2 or later.
-if Phlex::SUPPORTS_FIBER_STORAGE
-	# this test is flaky
-	test "raises when you try to render a component outside of a rendering context" do
-		expect { Components::SayHi() }.to_raise(RuntimeError) do |error|
-			expect(error.message) == "You can't call `SayHi' outside of a Phlex rendering context."
-		end
+test "raises when you try to render a component outside of a rendering context" do
+	expect { Components::SayHi("Joel") }.to_raise(RuntimeError) do |error|
+		expect(error.message) == "You can't call `SayHi' outside of a Phlex rendering context."
 	end
+end
 
-	test "defines methods for its components" do
-		expect(Example.new.call) == %(<article><h1>Hi Joel</h1><h1>Hi Joel</h1>Inside</article><article><h1>Hi Will</h1>Inside</article>)
-	end
+test "defines methods for its components" do
+	expect(Example.new.call) == %(<article><h1>Hi Joel</h1><h1>Hi Joel</h1>Inside</article><article><h1>Hi Will</h1>Inside</article>)
 end