diff --git a/setup.cfg b/setup.cfg
index d1238d01..45fe6048 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = GHEtool
-version = 2.3.1
+version = 2.3.2dev0
 author = Wouter Peere
 author_email = wouter@ghetool.eu
 description = Python package for borefield sizing