diff --git a/Cargo.lock b/Cargo.lock
index 6c9889c4..c42440e3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -45,7 +45,7 @@ checksum = "9c7d0618f0e0b7e8ff11427422b64564d5fb0be1940354bfe2e0529b18a9d9b8"
 
 [[package]]
 name = "argc"
-version = "1.5.0"
+version = "1.6.0"
 dependencies = [
  "anyhow",
  "assert_cmd",
diff --git a/Cargo.toml b/Cargo.toml
index ed88ad49..f3fe2da0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "argc"
-version = "1.5.0"
+version = "1.6.0"
 edition = "2021"
 authors = ["sigoden <sigoden@gmail.com>"]
 description = "An elegant command-line options, arguments and sub-commands parser for bash."