diff --git a/Project.toml b/Project.toml
index 29b708c..f6e33d5 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "LazyGroupBy"
 uuid = "284b63b1-8759-4032-ba27-6e3216e83f43"
 authors = ["Takafumi Arakaki <aka.tkf@gmail.com>"]
-version = "0.1.2-DEV"
+version = "0.1.2"
 
 [deps]
 BangBang = "198e06fe-97b7-11e9-32a5-e1d131e6ad66"