diff --git a/Gemfile.lock b/Gemfile.lock
index 2bb237fb..873a4e68 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    tailwindcss-rails (2.0.5)
+    tailwindcss-rails (2.0.6)
       railties (>= 6.0.0)
 
 GEM
diff --git a/README.md b/README.md
index 3e3b6247..3f0e4ee0 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,9 @@ With Rails 7 you can generate a new application preconfigured with Tailwind by u
 
 The `tailwindcss:build` is automatically attached to `assets:precompile`, so before the asset pipeline digests the files, the Tailwind output will be generated.
 
+## Building for testing
+
+The `tailwindcss:build` is automatically attached to `test:prepare`, which runs before Rails tests. (Note that this currently only applies to rails `test:*` tasks (like `test:all` or `test:controllers`), not "rails test", as that doesn't load `test:prepare`).
 
 ## Conflict with sassc-rails
 
diff --git a/exe/tailwindcss b/exe/tailwindcss
index 80fecf16..4e957483 100755
--- a/exe/tailwindcss
+++ b/exe/tailwindcss
@@ -32,6 +32,11 @@ if exe_path.nil?
       bundle install
 
     See `bundle lock --help` output for details.
+        
+    If you're still seeing this message after taking those steps, try running
+    `bundle config` and ensure `force_ruby_platform` isn't set to `true`. See
+    https://github.com/rails/tailwindcss-rails#check-bundle_force_ruby_platform
+    for more details.
   ERRMSG
   exit 1
 end
diff --git a/lib/tailwindcss/upstream.rb b/lib/tailwindcss/upstream.rb
index f4d063f9..76eae743 100644
--- a/lib/tailwindcss/upstream.rb
+++ b/lib/tailwindcss/upstream.rb
@@ -1,7 +1,7 @@
 module Tailwindcss
   # constants describing the upstream tailwindcss project
   module Upstream
-    VERSION = "v3.0.15"
+    VERSION = "v3.0.22"
 
     # rubygems platform name => upstream release filename
     NATIVE_PLATFORMS = {
diff --git a/lib/tailwindcss/version.rb b/lib/tailwindcss/version.rb
index 87e905d8..0d5dcfbe 100644
--- a/lib/tailwindcss/version.rb
+++ b/lib/tailwindcss/version.rb
@@ -1,3 +1,3 @@
 module Tailwindcss
-  VERSION = "2.0.5"
+  VERSION = "2.0.6"
 end
diff --git a/lib/tasks/build.rake b/lib/tasks/build.rake
index 886c847d..586ac0d6 100644
--- a/lib/tasks/build.rake
+++ b/lib/tasks/build.rake
@@ -1,4 +1,4 @@
-TAILWIND_COMPILE_COMMAND = "#{Pathname.new(__dir__).to_s}/../../exe/tailwindcss -i #{Rails.root.join("app/assets/stylesheets/application.tailwind.css")} -o #{Rails.root.join("app/assets/builds/tailwind.css")} -c #{Rails.root.join("config/tailwind.config.js")}"
+TAILWIND_COMPILE_COMMAND = "#{Pathname.new(__dir__).to_s}/../../exe/tailwindcss -i #{Rails.root.join("app/assets/stylesheets/application.tailwind.css")} -o #{Rails.root.join("app/assets/builds/tailwind.css")} -c #{Rails.root.join("config/tailwind.config.js")} --minify"
 
 namespace :tailwindcss do
   desc "Build your Tailwind CSS"