diff --git a/Project.toml b/Project.toml
index 5957634..362a9fa 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "MicroCollections"
 uuid = "128add7d-3638-4c79-886c-908ea0c25c34"
 authors = ["Takafumi Arakaki <aka.tkf@gmail.com>"]
-version = "0.1.3-DEV"
+version = "0.1.3"
 
 [deps]
 BangBang = "198e06fe-97b7-11e9-32a5-e1d131e6ad66"