diff --git a/Cargo.toml b/Cargo.toml
index eed5f46..90363b2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "teip"
-version = "2.1.0"
+version = "2.2.0"
 authors = ["Yasuhiro Yamada <yamada@gr3.ie>"]
 description = "Masking tape to help commands \"do one thing well\""
 keywords = ["sed", "awk", "util"]