diff --git a/composer.json b/composer.json
index f0b9231..9c21c83 100755
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
   "description": "The Chibi Framework.",
   "keywords": ["framework", "Chibi", "PHP"],
   "license": "MIT",
-  "version": "1.1.0",
+  "version": "1.0.0",
   "support": {
     "issues": "https://github.com/akiyamaSM/chibi/issues",
     "source": "https://github.com/akiyamaSM/chibi"