diff --git a/lax/Cargo.toml b/lax/Cargo.toml
index 73c475d5..7755fd3e 100644
--- a/lax/Cargo.toml
+++ b/lax/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "lax"
-version = "0.18.0"
+version = "0.18.1"
 authors = ["Toshiki Teramura <toshiki.teramura@gmail.com>"]
 edition = "2021"