diff --git a/Project.toml b/Project.toml
index ae43817..dbe2c96 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "FoldsThreads"
 uuid = "9c68100b-dfe1-47cf-94c8-95104e173443"
 authors = ["Takafumi Arakaki <aka.tkf@gmail.com> and contributors"]
-version = "0.1.1-DEV"
+version = "0.1.1"
 
 [deps]
 Accessors = "7d9f7c33-5ae7-4f3b-8dc6-eff91059b697"