diff --git a/canrun/Cargo.toml b/canrun/Cargo.toml
index b8777d2..d38ff28 100644
--- a/canrun/Cargo.toml
+++ b/canrun/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "canrun"
 description = "A logic programming library inspired by the *Kanren family of language DSLs."
-version = "0.4.0"
+version = "0.5.0"
 authors = ["Erik Simmler <tgecho@gmail.com>"]
 repository = "https://github.com/tgecho/canrun_rs"
 documentation = "https://docs.rs/crate/canrun"