diff --git a/Cargo.lock b/Cargo.lock
index 2036c88..2c3d28e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -163,7 +163,7 @@ checksum = "3d7b894f5411737b7867f4827955924d7c254fc9f4d91a6aad6b097804b1018b"
 
 [[package]]
 name = "colorutils-rs"
-version = "0.3.5"
+version = "0.4.0"
 dependencies = [
  "half",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 02507ec..9cb5043 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@ workspace = { members = ["src/app"] }
 
 [package]
 name = "colorutils-rs"
-version = "0.3.5"
+version = "0.4.0"
 edition = "2021"
 description = "High performance utilities for color format handling and conversion."
 readme = "README.md"