diff --git a/README.md b/README.md
index 1684de5..d6cdb1b 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ println!("{}", timestamp); // Timestamp(1701620628123456789)
 Add `strong-type` to your `Cargo.toml`:
 ```toml
 [dependencies]
-strong-type = "0.7"
+strong-type = "0.8"
 ```
 
 ## Supported underlying types:
diff --git a/strong-type-derive/Cargo.toml b/strong-type-derive/Cargo.toml
index 948b3d9..aebe71c 100644
--- a/strong-type-derive/Cargo.toml
+++ b/strong-type-derive/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "strong-type-derive"
 description = "Macro implemenation for #[derive(StrongType)]"
-version = "0.7.0"
+version = "0.8.0"
 edition = "2021"
 
 license = "MIT OR Apache-2.0"
diff --git a/strong-type/Cargo.toml b/strong-type/Cargo.toml
index 1dadece..fef63f5 100644
--- a/strong-type/Cargo.toml
+++ b/strong-type/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "strong-type"
 description = "Procedural macros for naming and strong-typing pritimives and strings"
-version = "0.7.0"
+version = "0.8.0"
 edition = "2021"
 
 license = "MIT OR Apache-2.0"
@@ -10,4 +10,4 @@ repository = "https://github.com/yunjhongwu/strong-type"
 readme = "../README.md"
 
 [dependencies]
-strong-type-derive = { version = "0.7.0", path = "../strong-type-derive" }
+strong-type-derive = { version = "0.8.0", path = "../strong-type-derive" }