diff --git a/Cargo.lock b/Cargo.lock
index ee0e92a..3ef87b1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -35,7 +35,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "basic-lang"
-version = "0.4.0"
+version = "0.5.0"
 dependencies = [
  "ansi_term 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "chrono 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/Cargo.toml b/Cargo.toml
index 64f8a58..40e039d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 edition = "2018"
 name = "basic-lang"
-version = "0.4.0"
+version = "0.5.0"
 authors = ["David Turnbull"]
 license = "Apache-2.0 OR MIT"
 homepage = "http://basic-lang.org/"