diff --git a/Project.toml b/Project.toml
index 6cf154a..312f0fc 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "BisectPy"
 uuid = "e91bece4-a713-11e8-30d4-f1bdfdaa459e"
 authors = ["Qi Zhang <singularitti@outlook.com>"]
-version = "0.2.0"
+version = "1.0.0"
 
 [compat]
 julia = "1"