diff --git a/Cargo.lock b/Cargo.lock
index 3c2f5d8..78c2e27 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -13,7 +13,7 @@ dependencies = [
 
 [[package]]
 name = "cd-da-reader"
-version = "0.3.1"
+version = "0.4.0"
 dependencies = [
  "cc",
  "libc",
diff --git a/Cargo.toml b/Cargo.toml
index 80b298a..0d37847 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cd-da-reader"
-version = "0.3.1"
+version = "0.4.0"
 edition = "2024"
 description = "CD-DA (audio CD) reading library"
 repository = "https://github.com/Bloomca/rust-cd-da-reader"