diff --git a/Cargo.lock b/Cargo.lock
index 6f139f6..6a2d52c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -264,7 +264,7 @@ dependencies = [
 
 [[package]]
 name = "monkey"
-version = "0.1.0"
+version = "0.2.2"
 dependencies = [
  "anyhow",
  "criterion",
diff --git a/Cargo.toml b/Cargo.toml
index e09810a..d543720 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "monkey"
-version = "0.1.0"
+version = "0.2.2"
 authors = ["ktanaka101 <kentanaka101@gmail.com>"]
 edition = "2021"
 license = "MIT"