diff --git a/pyproject.toml b/pyproject.toml
index 6ea2c892..9c3214ed 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "sdss-target-selection"
-version = "1.3.9"
+version = "1.3.10.a0"
 description = "Code to perform target selection for BHM/MWM using catalogdb"
 authors = ["José Sánchez-Gallego <gallegoj@uw.edu>"]
 license = "BSD 3-Clause"