bump release version to 0.6.0

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
diff --git a/README.rst b/README.rst
index e99b8d0..80fff8c 100644
--- a/README.rst
+++ b/README.rst
@@ -2,7 +2,7 @@
 Rust bindings for hinoko library
 ================================
 
-2024/01/04
+2024/02/22
 Takashi Sakamoto
 
 Introduction
@@ -14,7 +14,7 @@
 
 * The crates are available in `crates.io <https://crates.io/>`_ as well.
 
-The latest release is version 0.5.0.
+The latest release is version 0.6.0.
 
 Crates
 ======
diff --git a/hinoko/Cargo.toml b/hinoko/Cargo.toml
index fd1281b..d6b8324 100644
--- a/hinoko/Cargo.toml
+++ b/hinoko/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "hinoko"
 edition = "2021"
-version = "0.5.0"
+version = "0.6.0"
 # For publishing.
 authors = ["Takashi Sakamoto"]
 categories = ["api-bindings", "hardware-support", "os::linux-apis"]
@@ -24,7 +24,7 @@
 bitflags = "1.0"
 glib = "0.19"
 hinawa = "0.11"
-ffi = {package = "hinoko-sys", version = "0.5.0"}
+ffi = {package = "hinoko-sys", version = "0.6.0"}
 
 [dev-dependencies]
 gir-format-check = "^0.1"
diff --git a/hinoko/README.md b/hinoko/README.md
index a83865c..d204300 100644
--- a/hinoko/README.md
+++ b/hinoko/README.md
@@ -16,7 +16,7 @@
 
 ```toml
 [dependencies]
-hinoko = "0.5"
+hinoko = "0.6"
 ```
 
 The API documentation is available in <https://docs.rs/hinoko/>.
diff --git a/hinoko/sys/Cargo.toml b/hinoko/sys/Cargo.toml
index 16ff3b7..575fa6b 100644
--- a/hinoko/sys/Cargo.toml
+++ b/hinoko/sys/Cargo.toml
@@ -3,7 +3,7 @@
 edition = "2021"
 links = "hinoko"
 name = "hinoko-sys"
-version = "0.5.0"
+version = "0.6.0"
 authors = ["Takashi Sakamoto"]
 categories = ["external-ffi-bindings", "hardware-support", "os::linux-apis"]
 description = "FFI bindings for hinoko library"