diff --git a/Cargo.toml b/Cargo.toml
index b01d8ed..7c1ed9e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "evalexpr"
-version = "2.0.1-alpha.0"
+version = "3.0.0-alpha.0"
 description = "A powerful arithmetic and boolean expression evaluator"
 keywords = ["expression", "evaluate", "evaluator", "arithmetic", "boolean"]
 categories = ["parsing", "game-engines"]
diff --git a/README.md b/README.md
index 703b182..f0dd66b 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ Add `evalexpr` as dependency to your `Cargo.toml`:
 
 ```toml
 [dependencies]
-evalexpr = "2"
+evalexpr = "3"
 ```
 
 Add the `extern crate` definition to your `main.rs` or `lib.rs`:
@@ -299,7 +299,7 @@ This can be done like this in the `Cargo.toml`:
 
 ```toml
 [dependencies]
-evalexpr = {version = "2", features = ["serde"]}
+evalexpr = {version = "3", features = ["serde"]}
 ```
 
 This crate implements `serde::de::Deserialize` for its type `Node` that represents a parsed expression tree.
diff --git a/src/lib.rs b/src/lib.rs
index 09c1f81..85078d8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -5,7 +5,7 @@
 //!
 //! ```toml
 //! [dependencies]
-//! evalexpr = "2"
+//! evalexpr = "3"
 //! ```
 //!
 //! Add the `extern crate` definition to your `main.rs` or `lib.rs`:
@@ -286,7 +286,7 @@
 //!
 //! ```toml
 //! [dependencies]
-//! evalexpr = {version = "2", features = ["serde"]}
+//! evalexpr = {version = "3", features = ["serde"]}
 //! ```
 //!
 //! This crate implements `serde::de::Deserialize` for its type `Node` that represents a parsed expression tree.