diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 1b9039467..23d3f4c35 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -20,6 +20,8 @@ jobs:
       matrix:
         ruby: [2.7]
     runs-on: ubuntu-latest
+    env:
+      PACKAGE_JSON_FALLBACK_MANAGER: yarn_classic
     steps:
       - uses: actions/checkout@v4
         with:
@@ -56,6 +58,15 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        js_package_manager:
+          - name: npm
+            installer: npm
+          - name: yarn_classic
+            installer: yarn
+          - name: pnpm
+            installer: pnpm
+          - name: bun
+            installer: bun
         ruby: [2.7]
         gemfile:
           # These have shakapacker:
@@ -71,12 +82,14 @@ jobs:
       # Workaround b/c upgrading Minitest broke some mocking expectations
       # having to do with automatic kwarg splatting
       MT_KWARGS_HACK: 1
+      PACKAGE_JSON_FALLBACK_MANAGER: ${{ matrix.js_package_manager.name }}
+      SHAKAPACKER_USE_PACKAGE_JSON_GEM: true
     steps:
     - uses: actions/checkout@v4
       with:
         persist-credentials: false
     - uses: actions/setup-node@v3
-    - run: npm -g install yalc
+    - run: npm -g install yalc ${{ matrix.js_package_manager.installer }}
     - run: yalc publish
     - name: Save root node_modules to cache
       uses: actions/cache@v3
@@ -92,6 +105,7 @@ jobs:
       with:
         bundler: 2.4.9
         ruby-version: ${{ matrix.ruby }}
+    - run: ./test/bin/create-fake-js-package-managers ${{ matrix.js_package_manager.installer }}
     - name: Save dummy app ruby gems to cache
       uses: actions/cache@v3
       with:
@@ -99,7 +113,7 @@ jobs:
         key: dummy-app-gem-cache-${{ hashFiles('${{ github.workspace }}/gemfiles/${{ matrix.gemfile }}.gemfile.lock') }}
     - name: Install Ruby Gems for dummy app
       run: bundle lock --add-platform 'x86_64-linux' && bundle check --path=test/dummy/vendor/bundle || bundle _2.4.9_ install --frozen --path=test/dummy/vendor/bundle --jobs=4 --retry=3
-    - run: cd test/dummy && yalc add react_ujs && yarn
+    - run: cd test/dummy && yalc add react_ujs && ${{ matrix.js_package_manager.installer }} install
     - run: bundle exec rake test
       env:
         NODE_OPTIONS: --openssl-legacy-provider
diff --git a/Appraisals b/Appraisals
index a28c31403..967ed8ecb 100644
--- a/Appraisals
+++ b/Appraisals
@@ -16,7 +16,7 @@ end
 
 appraise 'shakapacker' do
   gem 'rails', '~> 7.0.x'
-  gem 'shakapacker', '7.0.2'
+  gem 'shakapacker', '7.2.0'
 end
 
 appraise 'base' do
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a01f77c21..d2f8204de 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ _Please add entries here for your pull requests that are not yet released._
 
 #### Changed
 - Make es6 and ts usable at same time. #1299
+- Support other JS package managers using `package_json` gem #1306
 
 ## [3.1.1] - 2023-08-16
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 164b2b8ff..e109d23ef 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -102,12 +102,8 @@ GEM
     matrix (0.4.2)
     method_source (1.0.0)
     mini_mime (1.0.2)
-    mini_portile2 (2.8.4)
     minitest (5.17.0)
     nenv (0.3.0)
-    nokogiri (1.14.3)
-      mini_portile2 (~> 2.8.0)
-      racc (~> 1.4)
     nokogiri (1.14.3-x86_64-darwin)
       racc (~> 1.4)
     nokogiri (1.14.3-x86_64-linux)
@@ -115,6 +111,7 @@ GEM
     notiffany (0.1.3)
       nenv (~> 0.1)
       shellany (~> 0.0)
+    package_json (0.1.0)
     pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
@@ -166,7 +163,6 @@ GEM
     zeitwerk (2.6.6)
 
 PLATFORMS
-  ruby
   x86_64-darwin-20
   x86_64-linux
 
@@ -182,6 +178,7 @@ DEPENDENCIES
   guard-minitest
   jbuilder
   listen (~> 3.0.0)
+  package_json
   pry-byebug
   react-rails!
   selenium-webdriver
diff --git a/Rakefile b/Rakefile
index 76112a049..de4274c86 100644
--- a/Rakefile
+++ b/Rakefile
@@ -8,31 +8,26 @@ end
 
 Bundler::GemHelper.install_tasks
 
+require "package_json"
+
 def copy_react_asset(webpack_file, destination_file)
   full_webpack_path = File.expand_path("../react-builds/build/#{webpack_file}", __FILE__)
   full_destination_path = File.expand_path("../lib/assets/react-source/#{destination_file}", __FILE__)
   FileUtils.cp(full_webpack_path, full_destination_path)
 end
 
-# Move to `dirname` and execute `yarn {cmd}`
-def yarn_run_in(dirname, cmd)
-  Dir.chdir(dirname) do
-    `yarn #{cmd}`
-  end
-end
-
 namespace :react do
   desc "Run the JS build process to put files in the gem source"
   task update: %i[install build copy]
 
   desc "Install the JavaScript dependencies"
   task :install do
-    yarn_run_in("react-builds", "install")
+    PackageJson.read("react-builds").manager.install
   end
 
   desc "Build the JS bundles with Webpack"
   task :build do
-    yarn_run_in("react-builds", "build")
+    PackageJson.read("react-builds").manager.run("build")
   end
 
   desc "Copy browser-ready JS files to the gem's asset paths"
@@ -51,12 +46,12 @@ namespace :ujs do
 
   desc "Install the JavaScript dependencies"
   task :install do
-    `yarn install`
+    PackageJson.read.manager.install
   end
 
   desc "Build the JS bundles with Webpack"
   task :build do
-    `yarn build`
+    PackageJson.read.manager.run("build")
   end
 
   desc "Copy browser-ready JS files to the gem's asset paths"
@@ -87,7 +82,7 @@ task default: :test
 
 task :test_setup do
   Dir.chdir("./test/dummy") do
-    `yarn install`
+    PackageJson.read.manager.install
   end
 end
 
diff --git a/gemfiles/base.gemfile.lock b/gemfiles/base.gemfile.lock
index 3fd3b9201..a21eb747e 100644
--- a/gemfiles/base.gemfile.lock
+++ b/gemfiles/base.gemfile.lock
@@ -174,6 +174,7 @@ GEM
     notiffany (0.1.3)
       nenv (~> 0.1)
       shellany (~> 0.0)
+    package_json (0.1.0)
     pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
@@ -258,6 +259,7 @@ DEPENDENCIES
   guard-minitest
   jbuilder
   listen (~> 3.0.0)
+  package_json
   pry-byebug
   rails (~> 7.0.x)
   react-rails!
diff --git a/gemfiles/shakapacker.gemfile b/gemfiles/shakapacker.gemfile
index 86c2338d1..bbd6c5b47 100644
--- a/gemfiles/shakapacker.gemfile
+++ b/gemfiles/shakapacker.gemfile
@@ -3,6 +3,6 @@
 source "http://rubygems.org"
 
 gem "rails", "~> 7.0.x"
-gem "shakapacker", "7.0.2"
+gem "shakapacker", "7.2.0"
 
 gemspec path: "../"
diff --git a/gemfiles/shakapacker.gemfile.lock b/gemfiles/shakapacker.gemfile.lock
index 4fb41f942..7c2d64807 100644
--- a/gemfiles/shakapacker.gemfile.lock
+++ b/gemfiles/shakapacker.gemfile.lock
@@ -176,6 +176,7 @@ GEM
     notiffany (0.1.3)
       nenv (~> 0.1)
       shellany (~> 0.0)
+    package_json (0.1.0)
     pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
@@ -185,7 +186,7 @@ GEM
     public_suffix (5.0.1)
     racc (1.6.2)
     rack (2.2.7)
-    rack-proxy (0.7.6)
+    rack-proxy (0.7.7)
       rack
     rack-test (2.1.0)
       rack (>= 1.3)
@@ -227,8 +228,9 @@ GEM
       rubyzip (>= 1.2.2, < 3.0)
       websocket (~> 1.0)
     semantic_range (3.0.0)
-    shakapacker (7.0.2)
+    shakapacker (7.2.0)
       activesupport (>= 5.2)
+      package_json
       rack-proxy (>= 0.6.1)
       railties (>= 5.2)
       semantic_range (>= 2.3.0)
@@ -268,11 +270,12 @@ DEPENDENCIES
   guard-minitest
   jbuilder
   listen (~> 3.0.0)
+  package_json
   pry-byebug
   rails (~> 7.0.x)
   react-rails!
   selenium-webdriver
-  shakapacker (= 7.0.2)
+  shakapacker (= 7.2.0)
   test-unit (~> 2.5)
 
 BUNDLED WITH
diff --git a/gemfiles/sprockets_3.gemfile.lock b/gemfiles/sprockets_3.gemfile.lock
index 8e044462c..d6c114564 100644
--- a/gemfiles/sprockets_3.gemfile.lock
+++ b/gemfiles/sprockets_3.gemfile.lock
@@ -178,6 +178,7 @@ GEM
     notiffany (0.1.3)
       nenv (~> 0.1)
       shellany (~> 0.0)
+    package_json (0.1.0)
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
@@ -270,6 +271,7 @@ DEPENDENCIES
   jbuilder
   listen (~> 3.0.0)
   mini_racer
+  package_json
   pry-byebug
   rails (~> 7.0.x)
   react-rails!
diff --git a/gemfiles/sprockets_4.gemfile.lock b/gemfiles/sprockets_4.gemfile.lock
index 815347067..0de2c85bf 100644
--- a/gemfiles/sprockets_4.gemfile.lock
+++ b/gemfiles/sprockets_4.gemfile.lock
@@ -178,6 +178,7 @@ GEM
     notiffany (0.1.3)
       nenv (~> 0.1)
       shellany (~> 0.0)
+    package_json (0.1.0)
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
@@ -270,6 +271,7 @@ DEPENDENCIES
   jbuilder
   listen (~> 3.0.0)
   mini_racer
+  package_json
   pry-byebug
   rails (~> 7.0.x)
   react-rails!
diff --git a/lib/generators/react/install_generator.rb b/lib/generators/react/install_generator.rb
index a64320bfe..5c48e5e7d 100644
--- a/lib/generators/react/install_generator.rb
+++ b/lib/generators/react/install_generator.rb
@@ -103,8 +103,19 @@ def setup_react_sprockets
         ReactRailsUJS.useContext(componentRequireContext);
       JS
 
+      def require_package_json_gem
+        require "bundler/inline"
+
+        gemfile(true) { gem "package_json" }
+
+        puts "using package_json v#{PackageJson::VERSION}"
+      end
+
       def setup_react_shakapacker
-        `yarn add react_ujs`
+        require_package_json_gem
+
+        PackageJson.read.manager.add(["react_ujs"])
+
         if manifest.exist?
           append_file(manifest, SHAKAPACKER_SETUP_UJS)
         else
diff --git a/react-rails.gemspec b/react-rails.gemspec
index fc5755456..39f06120e 100644
--- a/react-rails.gemspec
+++ b/react-rails.gemspec
@@ -28,6 +28,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'selenium-webdriver'
   s.add_development_dependency 'test-unit', '~> 2.5'
   s.add_development_dependency 'pry-byebug'
+  s.add_development_dependency 'package_json'
 
 
   s.add_dependency 'connection_pool'
diff --git a/test/bin/create-fake-js-package-managers b/test/bin/create-fake-js-package-managers
new file mode 100755
index 000000000..d911151fa
--- /dev/null
+++ b/test/bin/create-fake-js-package-managers
@@ -0,0 +1,36 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+# creates a set of fake JavaScript package managers in a temporary bin
+# directory for GitHub Actions, _excluding_ the one passed in as an
+# argument in order to assert that only that package manager is used
+
+require "tmpdir"
+
+# setup the bin directory we want to use
+bin_dir = Dir.mktmpdir("react-rails-")
+
+if ENV["GITHUB_ACTIONS"]
+  puts "adding #{bin_dir} to GITHUB_PATH..."
+  File.write(ENV.fetch("GITHUB_PATH"), "#{bin_dir}\n", mode: "a+")
+end
+
+managers = %w[npm yarn pnpm bun]
+manager_in_use = ARGV[0]
+
+Dir.chdir(bin_dir) do
+  managers.each do |manager|
+    next if manager == manager_in_use
+
+    puts "creating #{bin_dir}/#{manager}..."
+    File.write(
+      manager,
+      <<~CONTENTS
+        #!/usr/bin/env node
+
+        throw new Error("(#{manager}) this is not the package manager you're looking...");
+      CONTENTS
+    )
+    File.chmod(0o755, manager)
+  end
+end