diff --git a/fftw/Cargo.toml b/fftw/Cargo.toml
index 8c3a34e0..e1aedf11 100644
--- a/fftw/Cargo.toml
+++ b/fftw/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "fftw"
-version = "0.6.0"
+version = "0.6.1"
 authors = ["Toshiki Teramura <toshiki.teramura@gmail.com>"]
 edition = "2018"