diff --git a/build.lisp b/build.lisp
new file mode 100644
index 0000000..343aabd
--- /dev/null
+++ b/build.lisp
@@ -0,0 +1,7 @@
+(require :asdf)
+
+;; Load genenetwork.asd from the current directory.
+(asdf:load-asd (merge-pathnames "dump.asd"
+                                (directory-namestring *load-truename*)))
+
+(asdf:make :dump)
diff --git a/dump.asd b/dump.asd
new file mode 100644
index 0000000..607df63
--- /dev/null
+++ b/dump.asd
@@ -0,0 +1,23 @@
+(in-package cl-user)
+
+(asdf:defsystem #:dump
+  :description "GeneNetwork matrix database tool"
+  :version "0.1.0"
+  :author "The GeneNetwork team"
+  :licence "GNU General Public License version 3 or later"
+  :depends-on (:alexandria
+	       :arrows
+	       :cl-conspack
+	       :cl-dbi :trivia
+	       :cl-fad
+	       :cl-json
+	       :ironclad
+	       :listopia
+	       :lmdb
+	       :str
+	       :trivial-utf-8)
+  :components ((:file "dump"))
+  :build-operation "program-op"
+  :build-pathname "dump"
+  :entry-point "dump:main")
+