diff --git a/Cargo.toml b/Cargo.toml
index 9c0360c..ba14c13 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rocket_cors"
-version = "0.4.0-rc.3"
+version = "0.4.0"
 license = "MIT/Apache-2.0"
 authors = ["Yong Wen Chua <me@yongwen.xyz>"]
 description = "Cross-origin resource sharing (CORS) for Rocket.rs applications"
@@ -21,7 +21,7 @@ default = ["serialization"]
 serialization = ["serde", "serde_derive", "unicase_serde", "url_serde"]
 
 [dependencies]
-rocket = "0.4.0-rc.2"
+rocket = "0.4.0"
 log = "0.3"
 unicase = "2.0"
 url = "1.5.1"
diff --git a/README.md b/README.md
index ab1ba83..d63cdf3 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ work, but they are subject to the minimum that Rocket sets.
 Add the following to Cargo.toml:
 
 ```toml
-rocket_cors = "0.4.0-rc.3"
+rocket_cors = "0.4.0"
 ```
 
 To use the latest `master` branch, for example:
diff --git a/src/lib.rs b/src/lib.rs
index cece3a1..76069e4 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -29,7 +29,7 @@
 //! Add the following to Cargo.toml:
 //!
 //! ```toml
-//! rocket_cors = "0.4.0-rc.3"
+//! rocket_cors = "0.4.0"
 //! ```
 //!
 //! To use the latest `master` branch, for example:
@@ -45,7 +45,7 @@
 //! your `Cargo.toml` to:
 //!
 //! ```toml
-//! rocket_cors = { version = "0.4.0-rc.3", default-features = false }
+//! rocket_cors = { version = "0.4.0", default-features = false }
 //! ```
 //!
 //! ## Usage