diff --git a/CHANGELOG.md b/CHANGELOG.md
index bf6f0d3..6f65a62 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 # Tarmac Changelog
 
 ## Unreleased Changes
+
+## 0.4.0 (2020-03-04)
 * Tarmac now "alpha-bleeds" packed image spritesheets to prevent artifacts from appearing when resized in Roblox.
 * Reworked Tarmac's codegen strategy. ([#22](https://github.com/rojo-rbx/tarmac/pull/22)
 	* Inputs can now specify `codegen-path` and `base-path` to group together modules.
diff --git a/Cargo.lock b/Cargo.lock
index d1b9062..e8053f1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1346,7 +1346,7 @@ dependencies = [
 
 [[package]]
 name = "tarmac"
-version = "0.3.1"
+version = "0.4.0"
 dependencies = [
  "blake3 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/Cargo.toml b/Cargo.toml
index 6b9e422..5362b9c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "tarmac"
 description = "Manages assets for Roblox projects"
-version = "0.3.1"
+version = "0.4.0"
 authors = ["Lucien Greathouse <me@lpghatguy.com>"]
 edition = "2018"
 license = "MIT"