diff --git a/pyproject.toml b/pyproject.toml
index d8bf654..4efb750 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ test-command = "python -m mutable_lattice.test -v"
 
 [project]
 name = "mutable_lattice"
-version = "0.4.0"
+version = "0.5.0"
 authors = [
   { name="Dennis Sweeney", email="sweeney.427@osu.edu" },
 ]