diff --git a/Makefile b/Makefile
index 315f5743..659568f6 100644
--- a/Makefile
+++ b/Makefile
@@ -40,4 +40,11 @@ tag:
 	git commit -m '$(TAG) release'
 	chag tag
 
-.PHONY: docs
+burgomaster:
+	mkdir -p build/artifacts
+	curl -s https://raw.githubusercontent.com/mtdowling/Burgomaster/0.0.2/src/Burgomaster.php > build/artifacts/Burgomaster.php
+
+package: burgomaster
+	php build/packager.php
+
+.PHONY: docs burgomaster
diff --git a/build/packager.php b/build/packager.php
index b5585e9b..9a3ee1c0 100644
--- a/build/packager.php
+++ b/build/packager.php
@@ -13,11 +13,12 @@ foreach (['README.md', 'LICENSE'] as $file) {
 
 // Copy each dependency to the staging directory. Copy *.php and *.pem files.
 $packager->recursiveCopy('src', 'GuzzleHttp', ['php']);
-$packager->recursiveCopy('vendor/guzzlehttp/promise/src', 'GuzzleHttp/Promise');
+$packager->recursiveCopy('vendor/guzzlehttp/promises/src', 'GuzzleHttp/Promise');
 $packager->recursiveCopy('vendor/guzzlehttp/psr7/src', 'GuzzleHttp/Psr7');
-$packager->recursiveCopy('vendor/psr/http-message/src', 'Psr\Http\Message');
+$packager->recursiveCopy('vendor/psr/http-message/src', 'Psr/Http/Message');
 
 $packager->createAutoloader([
+    'GuzzleHttp/functions.php',
     'GuzzleHttp/Psr7/functions.php',
     'GuzzleHttp/Promise/functions.php',
 ]);