diff --git a/pyproject.toml b/pyproject.toml
index f521dbe..c61d079 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "qiskit-rigetti"
-version = "0.4.5"
+version = "0.4.6-rc.1"
 description = "Provider for running Qiskit circuits on Rigetti QPUs and simulators."
 authors = ["Rigetti Computing"]
 license = "Apache-2.0"