diff --git a/pyproject.toml b/pyproject.toml
index e17948e..323c05f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "cult-cargo"
-version = "0.1.2"
+version = "0.1.2rc1"
 description = "Curated cargo of standard radio astronomy packages for stimela 2.0"
 authors = ["Oleg Smirnov, Sphesihle Makhathini"]
 license = "MIT"