diff --git a/Cargo.toml b/Cargo.toml
index 2b315b6..9c1fc11 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "sloggers"
-version = "2.1.2"
+version = "2.2.0"
 authors = ["Takeru Ohta <phjgt308@gmail.com>"]
 description = "This library provides frequently used slog loggers and convenient functions"
 homepage = "https://github.com/sile/sloggers"