diff --git a/qlot.asd b/qlot.asd
index 75e4c6dc..9a39406a 100644
--- a/qlot.asd
+++ b/qlot.asd
@@ -1,6 +1,6 @@
 (defsystem "qlot"
   :class :package-inferred-system
-  :version "0.12.4"
+  :version "1.0.0"
   :author "Eitaro Fukamachi"
   :license "MIT"
   :description "A project-local library installer"