diff --git a/README.txt b/README.txt
new file mode 100644
index 0000000..f70feaa
--- /dev/null
+++ b/README.txt
@@ -0,0 +1 @@
+This is the stub README.txt for the "cl-sendgrid" project.
diff --git a/cl-sendgrid.asd b/cl-sendgrid.asd
index d0b96ce..fec4df2 100644
--- a/cl-sendgrid.asd
+++ b/cl-sendgrid.asd
@@ -1,9 +1,13 @@
-(defpackage :cl-sendgrid-system (:use :asdf :cl))
+;;;; cl-sendgrid.asd
 
-(in-package :cl-sendgrid-system)
+(asdf:defsystem #:cl-sendgrid
+  :serial t
+  :description "Describe cl-sendgrid here"
+  :author "Your Name <your.name@example.com>"
+  :license "Specify license here"
+  :depends-on (#:drakma
+               #:yason
+               #:flexi-streams)
+  :components ((:file "package")
+               (:file "cl-sendgrid")))
 
-(defsystem :cl-sendgrid
-  :version "0.1"
-  :depends-on (drakma yason flexi-streams)
-  :components ((:file "packages")
-               (:file "cl-sendgrid" :depends-on ("packages"))))
diff --git a/package.lisp b/package.lisp
new file mode 100644
index 0000000..8ad97c1
--- /dev/null
+++ b/package.lisp
@@ -0,0 +1,6 @@
+(require 'drakma) (require 'yason) (require 'flexi-streams)
+
+(defpackage #:cl-sendgrid
+  (:use #:cl #:drakma #:yason)
+  (:export #:send-email #:sendgrid-error #:sendgrid-error-message))
+
diff --git a/packages.lisp b/packages.lisp
deleted file mode 100644
index c5bf0b8..0000000
--- a/packages.lisp
+++ /dev/null
@@ -1,5 +0,0 @@
-(in-package :cl-user)
-
-(defpackage #:cl-sendgrid
-  (:use :cl :drakma :yason)
-  (:export #:send-email #:sendgrid-error))