diff --git a/fftw-sys/Cargo.toml b/fftw-sys/Cargo.toml
index 4968fe92..79bb2a67 100644
--- a/fftw-sys/Cargo.toml
+++ b/fftw-sys/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "fftw-sys"
-version = "0.4.0"
+version = "0.5.0"
 authors = ["Toshiki Teramura <toshiki.teramura@gmail.com>"]
 
 description = "unsafe wrapper of FFTW3"
diff --git a/fftw/Cargo.toml b/fftw/Cargo.toml
index d5862882..d5e65556 100644
--- a/fftw/Cargo.toml
+++ b/fftw/Cargo.toml
@@ -24,5 +24,5 @@ num-traits = "0.2"
 
 [dependencies.fftw-sys]
 path = "../fftw-sys"
-version = "0.4.0"
+version = "0.5.0"
 default-features = false