diff --git a/lib/http/cookie/version.rb b/lib/http/cookie/version.rb
index 9e7611a..156a412 100644
--- a/lib/http/cookie/version.rb
+++ b/lib/http/cookie/version.rb
@@ -1,5 +1,5 @@
 module HTTP
   class Cookie
-    VERSION = "0.1.5"
+    VERSION = "1.0.0.pre1"
   end
 end