diff --git a/CHANGELOG.md b/CHANGELOG.md
index eb3cca4b..4dc0b5ad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Unreleased
 
+# 0.6.0-alpha.2 - 2019-08-30
+
 * [Removed `marker(name)` option in favor of `marker = name`.][55]
 
 * [Removed `"proc_macro"` crate feature.][54]
diff --git a/Cargo.toml b/Cargo.toml
index 5f7071fe..0824ec96 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "auto_enums"
-version = "0.6.0-alpha.1"
+version = "0.6.0-alpha.2"
 authors = ["Taiki Endo <te316e89@gmail.com>"]
 edition = "2018"
 license = "Apache-2.0/MIT"
@@ -17,8 +17,8 @@ A library for to allow multiple return types by automatically generated enum.
 members = ["core", "derive", "test_suite"]
 
 [dependencies]
-auto_enums_core = { version = "=0.6.0-alpha.1", path = "core", default-features = false }
-auto_enums_derive = { version = "=0.6.0-alpha.1", path = "derive", default-features = false }
+auto_enums_core = { version = "=0.6.0-alpha.2", path = "core", default-features = false }
+auto_enums_derive = { version = "=0.6.0-alpha.2", path = "derive", default-features = false }
 
 [dev-dependencies]
 compiletest = { version = "0.3.22", package = "compiletest_rs", features = ["stable", "tmp"] }
diff --git a/README.md b/README.md
index d5e60fd5..2b2f254c 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ Add this to your `Cargo.toml`:
 
 ```toml
 [dependencies]
-auto_enums = "0.6.0-alpha.1"
+auto_enums = "0.6.0-alpha.2"
 ```
 
 The current auto_enums requires Rust 1.31 or later.
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 123b87e4..d3aba73a 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "auto_enums_core"
-version = "0.6.0-alpha.1"
+version = "0.6.0-alpha.2"
 authors = ["Taiki Endo <te316e89@gmail.com>"]
 edition = "2018"
 license = "Apache-2.0/MIT"
diff --git a/core/src/lib.rs b/core/src/lib.rs
index d52f1315..aeee033c 100644
--- a/core/src/lib.rs
+++ b/core/src/lib.rs
@@ -1,5 +1,5 @@
 #![recursion_limit = "256"]
-#![doc(html_root_url = "https://docs.rs/auto_enums_core/0.6.0-alpha.1")]
+#![doc(html_root_url = "https://docs.rs/auto_enums_core/0.6.0-alpha.2")]
 #![doc(test(attr(deny(warnings), allow(dead_code, unused_assignments, unused_variables))))]
 #![warn(unsafe_code)]
 #![warn(rust_2018_idioms, unreachable_pub)]
diff --git a/derive/Cargo.toml b/derive/Cargo.toml
index 919aef7e..dd820061 100644
--- a/derive/Cargo.toml
+++ b/derive/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "auto_enums_derive"
-version = "0.6.0-alpha.1"
+version = "0.6.0-alpha.2"
 authors = ["Taiki Endo <te316e89@gmail.com>"]
 edition = "2018"
 license = "Apache-2.0/MIT"
diff --git a/derive/src/lib.rs b/derive/src/lib.rs
index 0874204e..8f6f7428 100644
--- a/derive/src/lib.rs
+++ b/derive/src/lib.rs
@@ -1,5 +1,5 @@
 #![recursion_limit = "256"]
-#![doc(html_root_url = "https://docs.rs/auto_enums_derive/0.6.0-alpha.1")]
+#![doc(html_root_url = "https://docs.rs/auto_enums_derive/0.6.0-alpha.2")]
 #![doc(test(attr(deny(warnings), allow(dead_code, unused_assignments, unused_variables))))]
 #![warn(unsafe_code)]
 #![warn(rust_2018_idioms, unreachable_pub)]
diff --git a/src/lib.rs b/src/lib.rs
index 34309f40..e58913b2 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -806,7 +806,7 @@
 //!
 
 #![recursion_limit = "256"]
-#![doc(html_root_url = "https://docs.rs/auto_enums/0.6.0-alpha.1")]
+#![doc(html_root_url = "https://docs.rs/auto_enums/0.6.0-alpha.2")]
 #![doc(test(attr(deny(warnings), allow(dead_code, unused_assignments, unused_variables))))]
 #![no_std]
 #![warn(unsafe_code)]